Sunday, December 29, 2019

The Human Resource Function At Axa - 1402 Words

Introduction The human resource function is an important aspect in the insurance industry. With the recent advancement in the various industries, including insurance, it is important that the HR function evolve with these developments to guarantee success of companies in this industry. The HR role is becoming more challenging and demands a more strategic approach to cope with the competition that is being experienced in various industries. The scope of this report is to discuss the human resource function at AXA. It will first analyze AXA s HR in terms of business strategy, external and internal environment, challenges, and propose how to improve strategic management of people. Business Strategy The turbulent nature of the world s economy has destabilized many industry s operations. This also led to a swift evolution of the habits and needs of the clients. AXA s business strategy in dealing with this evolving demands lies in the way the company manages its employees. AXA considers its employees to be the keystone of success and has thus heavily invested in them. AXA has over 166,000 employees the world over. The HR department emphasizes on diversity, and loyalty of the employees. It ensures that employees are provided with opportunities to flourish and remain motivated so as to serve the company s clients with the much needed customer focus (Social Data, 2015). Part of AXA s business strategy is to improve the culture and employee professionalism. These are theShow MoreRelatedAnswer to the Question - Do You Think It Is a Good Idea on the Part of Any Management to Award Employees with Merit Issues Why or Why Not Discuss and Debate. 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In this assignment I will describe some of the benefits of induction, and the support that can be offered after the inductionRead MoreReasons For The Executive Branch Of Bp4192 Words   |  17 Pagesresidents and people who helped respond to the spill, and to support the economic recovery of the Gulf Coast’s tourism and seafood industries impacted by the spill. BP conducted studies with federal and state natural resource trustees to identify and define the injury to natural resources in the Gulf of Mexico. 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Saturday, December 21, 2019

Confucianism, A And Philosophical School Of Thought

Confucianism is a moralistic and philosophical school of thought that occasionally is labelled as a religion. It was founded by Kungzi Confucius, a philosopher from the Spring and Autumn period of Chinese History. It started off as an ideology that highlighted the importance of virtuousness of the individual and the government as well as the appropriateness of relationships, justice and honesty. However, it evolved during the Han Dynasty to incorporate metaphysical and cosmological aspects. It has two sets of sacred scriptures; the Five Classics and the Four Books of Confucianism. The Classics consist of five scriptures; - Shujing: Book of History. - Shijung: Book of Poetry. - Ijing: Book of Changes (divination). - Lijing: Book of Rites. - Qunqin: Book of Spring and Autumn Annals. These classics originate from China’s mythological golden era and possess all the prestige that entails. According to some, Confucius added to the Classics and gained his beliefs from them, leading him to say â€Å"Everything I wrote comes from the Ancients.† This revelation has been contested by scholars, some critics even arguing that these hallowed tomes were written after Confucius. In either case, the mystique of the Classics add to the messianic aura of Confucius. The other set of scriptures are the Four Books of Confucianism. They are as follows; - The Analects (the primary text). - The Great Learning. - The Doctrine of Mean. - The Mencius. All these texts were written by Conficius himself barShow MoreRelatedEssay on The Daoism and the Confucianism in Han Dynasty1623 Words   |  7 PagesThe Daoism and the Confucianism in Han Dynasty Yang Yu History 135: Imperial Chinese History Professor: Robert J. 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Friday, December 13, 2019

Analysis Of Array Waveguide Based Interleaver Engineering Essay Free Essays

In the 20 first century, has monolithic demands in the usage and handiness of digital communicating systems transmittal ability, it has happen to an important issues to construct up thin channel spacing and larger channel figure multiplexers/ demultiplexers ( MUXs / DEMUXs ) for dense wavelength division multiplexing ( DWDM ) structures. In the contemporary, panoplied wave guide grate ( AWG ) , thin-film coating, and fibre Bragg grate are major engineerings for manufacturing MUXs / DEMUXs. [ 1 ] This study covers the basic operation and rules of ( AWG ) Array Wave Guide Based Interleaver. We will write a custom essay sample on Analysis Of Array Waveguide Based Interleaver Engineering Essay or any similar topic only for you Order Now And the study covers the basic rule of array theory. And the public presentation analysis of AWG with utilizing opti system softwear. And besides in communicating webs, fibre optics webs are most rewarding communicating webs. Fibre optics is channelled the transmittal of visible radiation through thin glass. The purpose of this undertaking is to look into of the operation and map of the panoplied wave guide grates ( AWG ) . And the understand the public presentation of parametric quantities in the device, and so we investigate those public presentation of parametric quantities and seek to happen how those parametric quantities can impact of the device. Specifically, the base on balls set edges is more hard to command in optical constituents, such as panoplied waveguide grating ( AWGs ) , ensuing in interior XT public presentation. Interleavers assure that the originally next channels are no longer present at the concluding filter. In add-on the usage of interleavers is really effectual for the decrease of Rayleigh noise in bidirectional webs. AIMS AND OBJECTIVES Understand and familiarise the cardinal constructs and features of AWG Based Interleaver Develop and implement of AWG Based Interleaver 2. ABOUT OPTICAL FIBER 2.1 History Fibre optics is used circumstantial in the modern universe as modern engineering. The rule of guiding of visible radiation through the storytellers optics possible was explained by Jacques and Mr. Daniel in Paris in 1840. [ 8 ] In practically optical fibers are made by glass. And fiber is covered with a diaphanous shell to more correct of refractile index. [ 8 ] Development of fiber so focused on fiber packages for image transmittal. Image transmittal through tubing was found individually by telecasting laminitis John Logie Baird and the discoverer of wireless Clarence Hansel in 1920. [ 8 ] 2.2 OPTICAL FIBER COMMUNICATION Fibre optics used for communicating, as transmit signals. Fibers are used as a medium for telecommunication webs. Optical fiber is really utile for transmit signals of the far off distance communications. There are benefits of utilizing optical fibers for easy to convey signals, [ 2 ] High flexibleness High dependability Adequate to its strong velocity Distance of communicating web and Limit the practical velocity because of fading and the scattering jobs in the fiber. [ 2 ] To work out and cut down fading job can use of the Erbium Doped Fibre Amplifier ( EDFA ) .To resolved scattering of optical fiber still coerce a via media between the transmittal distance and the bandwidth is doing it is mandatory to review high velocity of the signals at intervals utilizing opto electronic repeaters. [ 2 ] That public presentation usage for particularly long-distance communications. When compared with electrical wires little fading occurred in visible radiation propagates through the fiber. And the Repeaters usage for long distance to modulate to convey signal. Because they are losingss signal. One fiber can be transporting many channels with different moving ridge lengths. Optical fibres are largely make used of fiber ocular communications or can be transmitted signals through the fibres. Because of that signals can be travel with low losingss and the besides opposition to electro magnetic mediation. Here fiber ocular communicating signals allow transmittal more than higher bandwidths or informations rates and longer distance. And besides fibres are doing usage of lighting and the wrapped in clump of fibres and they can be applied to transport images. In the short distance communicating networking within a edifice or little country.single fibre can be transmit big figure of informations than the electrical wires. And besides fibre has electrical intervention. [ 8 ] Fibers can be prepared by crystalline plastic, glass or a mixture of the two stuffs. When long-distance telecommunications fibres make usage of merchandise is ever glass, ground of minor optical fading in fibres. together of the single-mode and the multi-mode fibres are doing usage of communicating links. Largely Multi-mode fibres are doing usage of the short infinites ( 550m ) . And the single-mode fibre devising used for long distance communicating links. [ 8 ] The best solution for that expeditiously improves the functional bandwidth in a construction non including electronic repeaters, and permits realisation of photonic webs by utilizing Dense Wavelength Division Multiplexing ( DWDM ) . [ 2 ] Dense Wavelength Division Multiplexing ( DWDM ) is best efficient procedure. Reason of a figure of channels can be carried. Each channel carried by dissimilar wavelengths, and they are transmitted throughout the individual optical fiber. Avail of the DWDM used more available bandwidth non including scattering consequence. And the channels using each channel, efficaciously separated from the other channels. And it can non be dependant of the velocities, protocols and the way of the communicating webs. [ 2 ] And besides DWDM helps to the all optical fiber webs architectures. Where on signals are routed by utilizing their wavelengths. As the consequence of that, this type of webs are likely more flexible and faster, and that can be low dearly-won to maintain up when the compared with other ways. [ 2 ] 3. ARRAY WAVEGUID GREATINS 3.1 INTRODUCTION ABOUT AWG Arrayed Waveguide Grating ( AWG ) is multiplexers / demultiplexers are two-dimensional waveguide devices.Image and diffusing belongingss are basic foundation on an array wave guides. They imaging the field in an input and end product waveguide on to range wave guides in such a manner that the assorted wavelength signals are presented. [ 3 ] In recent old ages, Arrayed Waveguide Grating ( AWG ) was foremost discovered by Smit in 1988 and subsequently by Takahashi in 1990 and after that Dragone in 1991. They are known by under different names: Phased Arrays ( PHASARs ) , Arrayed Waveguide Gratings ( AWGs ) , and the Waveguide Grating Routers ( WGRs ) . [ 3 ] And wave guide grate router ( WGR ) has happen to more and more trendy as wavelength multiplexers / demultiplexers ( MUX / DEMUX ) for dense wavelength division multiplexing ( DWDM ) applications ( Vellekoop and Smit, in 1991 ) . The acronym AWG invented by Takahashi is the most usually used up name now a yearss. Fibre Bragg Gratings and Thin-Film Filters, AWGs are the chiefly important sort of filter type used in WDM webs. They are accepted bend out to be the chiefly important develop of Photonic Integrated Circuits ( PIC ) engineering. [ 4 ] Recent universe the chiefly important engineerings are used for AWGs. Indiumphosphide ( InP ) based semiconducting material engineering Silica-on-silicon engineering Equally good to that they investigate on Li niobate and silicon-based polymer engineerings have been shown up every bit good. Silica-on-silicon ( SoS ) AWGs have been presented to the sell in 1994 and at present clasp the major portion on the AWG market. [ 3 ] This average peers with fiber and so it relatively simple to partner off them to fibers. High fibre-coupling efficiency of ( losingss in usage of 0.1 dubnium ) and low extension loss ( less than 0.05 dB/cm ) with they joined. [ 3 ] The major trouble is they are relatively large because of their fiber compared waveguide belongingss. They are forbiding the usage of little curves. This is for the present being got better by utilizing upper index disparity and the doted-size convertors to maintenance fibre matching low losingss. [ 3 ] 3.2 ABOUT AWG This is a latest engineering make utilizations of an incorporate array of wave guides as a interleaving and grate. [ 5 ] The panoplied wave guide grate ( AWG ) is a two-dimensional wave guide device. [ 6 ] And the beam traveling from side to side a device grating shall make an intervention sample, meaning the beam is diffracted merely at clear angles. The spacial strength of giving out is a map of the grate, the wavelength and the angle of happening. In here different wavelengths will be diffracted in the different angles ( spatially separated ) . Arrayed waveguide grating ( AWG ) is bring forthing a bantam grate with lithographic engineering and with low losingss. [ 5 ] Functions in AWG: – Transmissive diffraction and grate in largest portion of fibre optics Harmonizing o the moving ridge length diffracting the beam at the angle The primary application of panoplied waveguide grates is WDM. By developing AWG, used for demultiplexing and WDM wavelength-division multiplexing ( WDM ) . Initially, developers are identified that AWGs could be mix with other two-dimensional wave guide setup. And the other assorted maps like, [ 6 ] Wavelength-selectable optical masers. Including dynamic addition Reconfigurable optical add/drop multiplexers Equalization Figure 3.2.1 In an panoplied wave guide grating [ 6 ] Dense Wavelength Division Multiplexing ( DWDM ) is an effectual manner. Where the figure of channels, but different wavelengths are in each channel. Through a individual optical fiber allows transmitted signals, without raising the cause of scattering by utilizing to boot on manus bandwidth. [ 2 ] Each channel, while it is expeditiously divided from the others, could be free in protocol, way of communicating and velocity, all-optical web architecture are understood by aid of DWDM without want for electro-optical transition where transmit signals are routed harmonizing to wavelength. Therefore, this sort of web has below characterises when compared to other types, [ 2 ] Less dearly-won to keep More flexible Potentially faster Figure 3.2.2 An Add / Drop Multiplexer ( ADM ) . [ 2 ] Figure 3.2.3 An Optical Cross Connect ( OXC ) utilizing a infinite division exchange [ 2 ] In DWDM is done optical wavelength multiplxers / demultiplexers by Arrayed Waveguide Gratings ( AWG ) . Equally good as multiplexing and the demultiplexing maps are executing by DWDM. It can be joint with other setup to do put or out multiplexers, used to shriek one wavelengths on and off the web, and the brand usage of for the routing, and Cross Connects. These constituents can be inert, harmonizing to wavelength where the signal routing should be fixed, or activated. Where the optical switches are utilized to dynamically route the signals. [ 7 ] Both circuits are shown evident to the format of informations, can allow map wholly in the optical field and both directional transmit of information. These undertakings permit the creative activity of dissimilar evident optical web. Examples of the three chief sorts of these are explained in the approaching subdivisions. [ 2 ] It can set up several input fibers same clip. Input and end product port nexus policy were by experimentation verified and formulated. The device same clip removes the two chief mistakes observed in the before built up device ; decrease of every wave guide crossings between AWGs and taking off of the status to accurately match the features of the two AWGs. This suggestion will be helpful in cut down device cost. [ 9 ] This is because of the information that AWG based constituents that have been shown to be able of the precisely demultiplexing and a big figure of channels, with relatively small loss. Main characters of the N ( end product ) ten N ( input ) AWG MUX / DEMUXes are small loss of fiber to fibre, accurate and the narrow channel spacing, and the polarisation insensitiveness, so the large channel figure, high dependability and stableness, and being appropriate for the immense production ( Dragone in 1991 ) . [ 4 ] Because of the industry the AWG is established on graded photolithographic engineering, in the combination of the AWG gives so many benefits. Such as, Reduced packaging and fiction costs Dependability Large fiction Tolerances Concentration The most valuable benefits of the AWG besides include the controlled channel and exactly and the spacing, uniform the interpolation loss and simple and accurate wavelength in stabilisation. [ 4 ] 3.3. ABOUT INTERLEAVER 3.3.1 INTERLEAVER FUNCTIONL TYPES All maps and filter types are common and periodic in frequence ( a ) Partition of channels end product to 1:4 or higher ( B ) Two different ports are used to divide even and uneven channels from Original interleaver. ( degree Celsius ) Asymmetric interleaver separates one channel. ( vitamin D ) Separates even and uneven sets of channels from banded interleaver, Figure 3.3.1.1 ( a ) Partition of channels end product to 1:4 or higher [ 10 ] Figure 3.3.1.2 ( B ) Two different ports are used to divide even and uneven channels from Original interleaver. [ 10 ] Figure 3.3.1.3 ( degree Celsius ) Asymmetric interleaver separates one channel. [ 10 ] Figure 3.3.1.4 ( vitamin D ) Separates even and uneven sets of channels from banded interleaver [ 10 ] In the optical communicating the effectual method for addition the transmittal capacity, was Dense wavelength division multiplexing ( DWDM ) . [ 10 ] The cyclic signals of the interleaver can be filter decreases the figure of channels. Fourier setup are necessary to the level base on balls set ( out put signal ) and high isolation rejection set. [ 10 ] These intreleavers contrasts in to merely impart bead and add filters. It can be making a individual narrow set of the filter more than a big rejection set. As a consequence of the interleaver needs for lesser Fourier setup, so the crisp border response higher order and same level top and narrow set filters can be understood with usage few subdivisions. [ 10 ] There are many assortments of the blocks of the interlever harmonizing to their maps. The initial design of combines ( or separates ) an uneven channels from even channels through the DWDM combiner. It is indicated by a 1:2 interleaver. In every channel there is cyclic separation and logical extension. Like as the 1:4 map Shown. The dissimilar discrepancy of the banded interleaver. Where the channel sets are separated and sporadically. [ 10 ] This is the really difficult to make and filtrate due to filters are roll off must be steeper in the relation to the filter clip. At last, in comparison with the old in three filters. The asymmetric filters can cyclically divide one channel. [ 10 ] Array Waveguide Gratings ( AWG ) s, and the DWDM devices such as thin movie filters ( TFFs ) and Fibre Bragg Gratings ( FBG ) s, are chiefly used for in systems with channel spacing to the no less than 100 GHz. [ 11 ] Can be spread out the transmittal ability, with lessening in the channel spacing. It is besides named interleaver. The input of the DWDM wavelengths can be separated by utilizing Interleaver. Each single channel is transmitted really high spot rate of traffic channels. Besides the chromatic scattering of the constituent is really low. [ 11 ] 4. BASIC PRINCIPLE OF AWG The panoplied wave guide grating base interleaver is includes of an array of narrow wave guides. Between a brace of Coupling zones or blending parts the signals are running closed each other. When cyclic wave guides running up to the 2nd commixture part, that input signals foremost enter the commixture part and where they are coupled. [ 6 ] After that the light transmitted to the 2nd commixture part. That part the moving ridge signal diffraction and in different angles of different wavelengths, it is similar to a diffraction grate. [ 6 ] The uniting part works as a lens to concentrate the diffracted beam in to a series of end product ports on the opposed side. Helpful mediation focuses beam of a uneven wavelength at merely one place on the opposite side, with the ports set up to garner beam at the expected wavelength span, such as typical optical channel slots for WDM. [ 6 ] The figure of channels and the figure of end product ports are divided ; when the channel spacing is multiplied by the figure of channels can be obtained free spectral scope of the device. The wave guides traveling among the two combination parts is larger than the figure of channels. [ 6 ] AWG is a planar-waveguide devise transporting out of high transmittal grates. Arrayed wave guides made in plastic, Si, silicon oxide or semiconducting material stuffs like as In phosphates. AWG as a planar wave guide device, it could be made monolithically and integrated with other constituents. [ 6 ] 4.1 MULTIPLXER / DEMULTIPLEXER Arrayed waveguide grates have obtained blessings for WDM with high channel calculates as their agreements permit low cost per channel than the methods footing on distinct optics. When in the research lab editions have reached really finally high channel calculates and the spacing, with channel spacing to 10 GHz and 100s of channels in a individual device. [ 6 ] Demultiplexing is the chief intent of the AWGs, with utilizing a individual input presenting a WDM signal and which is demultiplexed and the end product of the optical channels are divided among assorted end product wave guides. For multiplexing in AWGs, the constituent could be reversed with signals at stray wavelengths. And incoming stray port combined inside of the AWG. [ 6 ] Typical AWGs have base on balls sets. It is closely in Gaussian signifier. They are powerful faded beam from the nearby base on balls sets. Though, the perfect base on balls set for WDM has a level top conversely than the arched Gaussian extremum. The simplest channel to smoothing the extremum is convenient filtering by rectifying manner beam of visible radiation is carried to the input port, or by rectifying the lengths of the array weaponries of the AWG. [ 6 ] One option is to stick on an interleaver to split signals between brace of AWGs. Once is accepting the even channels and the other uneven channels. Another waveguide constituent or AWG is for excess filtering. [ 6 ] As the AWG demultiplexer Wavelength routing is the same rules. The of the panoplied wave guide grates diffraction angle depends geometry of the grating engineering every bit good as on the angle of the incidence. All the optical channels have to the same angle of incidence when they are come ining through the individual fibers. [ 6 ] On the other manus, those inputs signals have different incidence angles if the light enters to the input sociable through the two or more input ports, hence they are diffracted at the dissimilar angles as they appear from the panoplied wave guides grates in the end product of the sociable. When reroute and the rearrange to optical channels delivered by multiple inputs of fibers this consequence can be used to be easy. [ 6 ] Harmonizing to that the routing agreement is stiff, channels with the same wavelength wo n’t interfere with the each other or to be routed in out of the same wave guide. [ 6 ] 4.2 APPLICATIONS OF AWG Arrayed wave guide grates ( AWG ) s are chiefly experimental used in optical fibre communicating systems or webs. In peculiar those based on the multi-channel transmittal with wavelength division multiplexing ( WDM ) . In single wavelength channels or channels must be used in combined or separated. It can be the portion of the more complex photonic integrated circuits ( e.g. WDM senders ) . Arrayed waveguide grating can be used for dividing or interleaving the lines in the spectrum of a ace continuum beginning, or in a pulse maker for extremist short pulsations. 5. Operation OF AWG Figure 5.1 Array waveguide Gratings [ 10 ] Figure 5.2 Lens apparatus of an AWG [ 10 ] Waveguide constellation is formed on a substrate in the Arrayed wave guide grating. Include the undermentioned options in the wave guide constellation. In to the first slab can be arranged One or more optical input wave guides, and the end product side can be connected in to the first slab, one or more optical end product channel Arrayed wave guides, and that waveguides connected to the input side of the 2nd slab. From the catching visible radiation get downing the outside to the first slab and the waveguide propagate visible radiation at that place through. In the panoplied wave guide plenty many of wave guides in assorted lengths. And the 2nd slab wave guides are linked to end product border of the panoplied waveguide.Then the individual or more of the optical end product wave guides can organized. In the array waveguide grate of claim ( fibre optics ) where different in length from each other. And fibre optics is ( skiding ) concept in mutually-different stuffs. In the panoplied wave guide grate, fibres are separate from each other. Figure 5.3 Conventional representation position of the N X N AWG. [ 33 ] Figure 5.4 The Input / Output Free Propagation Region. [ 34 ] In usually AWG appliances such as serve the multiplexers, add-drop devices, demultiplexers and filters and the optical Wave Division Multiplexing ( WDM ) and the Dense Wave Division Multiplexing ( DWDM ) uses. Figure 5.3 shows a conventional illustration of the N x N AWG. The instrument includes of two curved in slab waveguide star couplings ( free infinite scope or free extension ranges, FSR ) , linked by a spell off array wave guide with the same length fluctuation among nearby Array wave guides. [ 4 ] The processing theory of the AWG multiplexers/demultiplexers can be explained in brief as below. In the input waveguide Light propagating is diffracted in coupled into the panoplied wave guide and the slab part by the 1st FSR. The panoplied wave guide has been planned like as the optical tract of the length fluctuation between nearby array wave guides equivalent an figure many of in-between wavelength of the demultiplexer. As a consequence, the field bringing at the input gap will be recreated at the end product opening. [ 4 ] So, at this in-between wavelength, the beam of light dressed ores in the center of the image surface ( presented that the input wave guide is in-between in the input surface ) . If the input wavelength is re tuned from this in-between wavelength, alterations of stage happen in the array subdivisions. Because of this steady tract of the length in fluctuation between nearby wave guides, this stage vary get higher linearly array wave-guides from the inner to outer, That may go on the moving ridge forepart to be slanting at the end product opening. [ 4 ] As a consequence, the cardinal point in the plane of image is moved left from the Centre. The pointing of the end product wave guides in the plane of image permits the suited farewell of the assorted among wavelengths. The input includes of a figure of channels, usually among 8 or 40 in industrial devices, transmitted on single frequences. Channel spacing is common in commercial devices. [ 2 ] Frequency spacing in has been attained harmonizing to laboratory state of affairss. The functioning wavelength is normally approximately 1.55 I?m which fading is least in fibre optics. Every wave guide in the AWG be probably to one manner to do certain expected extension throughout the machine. [ 2 ] 5.1 BASIC DESIGN PARAMETERS OF AWG When knowing of the working theory of AWG take in, it depends on the assorted stuffs, like as polymeric stuffs or silicon oxide, and design conditions. like as diffraction, length difference of nearby panoplied wave guides, chief length of the slab wave guide, free spectral scope ( FSR ) , and maximal value of input and the end product wavelength channels, the maximal figure of the array wave guides. The basic design parametric quantities are summarized in analytical equations as follows: [ 28 ] 5.1.1 LENGTH DIFFERNCE OF AJACENT ARRAY WAVEGUID The way length fluctuation among nearby arrayed wave guides a?† L is given by the below look [ 13 ] Where nc – is the effectual refractile index of AWG, a?† L – is the way length difference between next arrayed wave guides i? ¬0 – is the centre wavelength of the panoplied wave guide, m – is the diffraction order, 5.1.2 Free SPECTRAL RANGE ( FSR ) Free spectral scope ( FSR ) is a important belongings of the AWG, demultiplexer cyclicity is the similar name to the FSR. This cyclicity is because of the information that create interface at the outside FSR can go on for a sum of wavelengths. The free spectral span indicates the frequence spacing and the wavelength among the upper limit of the interface theoretical account due to the cyclic qualities of the AWG transportation map, and could be get as follows. [ 4 ] Where, FSR – free spectral scope nc – effectual refractile index of AWG m – order of diffraction ng – group refractile index i? ¬0 – Centre wavelength of the panoplied wave guide 5.2 TECHNICAL FIELD In the communicating field of optical fiber, there can be used an panoplied wave guide grating while specified. In the current innovation connects for panoplied wave guide grate is pull offing the undertaking of the wavelength demultiplexing and multiplexing of optical signals of many wavelengths. [ 14 ] In the panoplied waveguide grating can be arranged one or more optical fiber input wave guides.In the first slab wave guides are linked to the optical input wave guides which is in the end product sides. And panoplied wave guide is linked to the end product side wave guides of first slab. And the 2nd slab wave guide are linked to the end product side of the panoplied wave guides. And there can be Arranged one or more optical fiber end product wave guides. [ 14 ] The panoplied wave guide is provided by the propagating of the light end product from and the plurality of wave guides and the first slab waveguide arranged. Nearby channel wave guides are assorted in lengths by predefined lengths. And the panoplied wave guide provides to the each one of signal for a stage fluctuation is in the panoplied wave guide grates. Normally, a big figure of channel wave guides are included the panoplied wave guide. [ 14 ] On the array wave guide grate, when the wavelength division multiplexed of optical signal including signals can be holding wavelengths I »1, I »2, I »3†¦ †¦ to†¦ . I »n. One optical input wave guide can be entered those wavelengths. Then after that this signal forwards to the optical input wave guides and in to the first slab wave guides. Then the signal is diffracted and spread by the first slab wave guide and it is transmitted to the panoplied wave guide to propagate there through. [ 14 ] After arrayed wave guide go throughing through, the signals enter the 2nd slab of wave guide in articulation of and so the end product from the optical wave guides. And the channel of the wave guides in the panoplied wave guides are all different in lengths, the stage difference between appears in each of the signals are that have passed through out of the panoplied wave guides. In Oder to this stage differences, the moving ridge forms foreparts of the signals are tilt. And this tilt angles are determines of the focal points of the signals. [ 14 ] In this ground of the central points of the signals are holding different different wavelengths differ from each other and the consequently optical end product of the wave guides are formed at the respective in the focal points. Within this constellation, the signals are different the wavelengths are an extracted by the optical end product wave guides severally. Then the completing of the map as a wavelength division demultiplexer of an panoplied wave guide grate. [ 14 ] The panoplied wave guide grates are taken by advantage of rule and the reversibility of optical circuits. And the panoplied wave guide grate besides handles in the map of the wavelength division multiplexers. And every bit good as wavelength division demultiplexer. The reversing in the above described in the process, when the signals are holding differing wavelengths I »1, I »2, I »3†¦ to†¦ .I »n enter several optical end product of the wave guides. The signals are passes through the above mentioned of the extension way in contrary. And in the 2nd wave guide slab, signals are multiplexed. And the panoplied wave guide and the first slab wave guides and end product of the optical fiber input wave guides. In by and large, as an panoplied wave guide grates are chiefly made of the silicon oxide based with glass. [ 14 ] 6. Lab Experiment In the research lab experiment Opti system package was used to analyzing public presentation of Array Waveguide Based Interleaver. In here I used to AWG N x N multiplexer. An AWG N x N multiplexer construction is shown in Figure 6.1 Figure 6.1 Soft ware construction of AWG. Figure 6.2 Soft ware belongingss of AWG Chiefly in AWG can be configure as, Size – with N inputs between 2 and 1000 Configuration – Mux and De-mux Frequency – Between 30 and 300000 THz. Bandwidth – Numeral value between 0 and 1e+100 GHz. Frequency Spacing – Numeral value between -10000 and 10000 GHz. In practically we use of following sets and the wavelength ranges, Set Description Wavelength Range O set Original 1260 to 1360 nanometer Tocopherol set Extended 1360 to 1460 nanometer S set Short Wavelengths 1460 t0 1530 nanometer C set Conventional ( â€Å" Er window † ) 1530 to 1565 nanometer L set Long Wavelengths 1565 to 1625 nanometer U set Ultra long Wavelength 1625 to 1675 nanometer * ( 1530 nm t0 1650 nm Dense WDM ) Table 6.1 Wavelength scopes [ 8 ] To the AWG can be input in N frequences. Each channel will go out through a different end product, harmonizing to its wavelengths and frequence. AWG input with an suited design, the channels will be issue and separated through assorted end products. In this experiment used the C set for practical. 6.1 AWG WORK AS MULTIPLEXER Figure 6.1.1 Setup of AWG usage as Multiplexer Figure 6.1.2. End product of the five channels This subdivision, is described the experimental consequences of the multiplexer utilizing an AWG. Figure 6.1.3 shows of the experimental apparatus in rudimentss. In the experiment, separated two channel optical signals ( With utilizing optical Trans metres ) multiplexed by utilizing AWG. And the observation can be taken by the optical spectrum analyser. Figure 6.1.3 simple construction of the Simulation of AWG usage as mux. Figure 6.1.4 one of the end products of the two channels with spacing. Figure 6.1.5 one of the end products of the two channels with addition spacing. Input frequencies- 1530nm A ; 1565nm In AWG, Configure Mux, Frequency- 1550nm. Change the frequence spacing of the optical sender. Wavelength ( A µm ) Frequency spacing ( nanometer ) Figure 6.1.6 frequence spacing and wavelength diagram The diagram shows the fluctuation of frequence spacing and wavelength. That is additive diagram. 6.2 AWG WORK AS DE-MULTIPLEXER Figure 6.2.1 Setup of AWG usage as De Multiplexer Figure 6.2.2 End product of the three channels In this subdivision, described the experimental consequences of the AWG utilizing de multiplexer. Figure 6.2.3. shows the simple experimental apparatus. In this experiment, separated two channels input the multiplexer. In the end product of multiplexer in put the AWG.After that observes the end product of signal diagrams of optical spectrum analyser. The bearer wavelength of the channels 1 and 2 are 1530 nanometer and 1540 nanometer severally. For the Demux strategy, we used opt system soft ware a commercially available in AWG. The centre frequence of the AWG was set to the 1560 nanometer. And they perform desired to the Demux operation. Figure 6.2.3 simple construction of the Simulation AWG usage as de mux. Figure 6.2.4 two optical end product of the AWG de mux The figure shows the Separation between the bearers and the two sidebands. There can be seen by a considerable sum of the unsuppressed optical bearers. In this experiment, foremost filtered the bearer signal and the lower sideband of the channels 1 and 2 with utilizing the AWG as shown in Figure6.2.3 because we used an AWG, each demultiplexed channel can non be at the same time detected. The channel choice was made by seting the input ports of the AWG. The bearer and the sideband of the unsought channel are suppressed by the desired bearer and the sidebands of the channels severally. Figure6.2.5 frequence spacing and wavelength diagram The diagram shows the fluctuation of frequence spacing and wavelength. That is additive diagram. In here more clearly and shows the shifted in end product signals of the in-between wavelength through to the outside ushers. Figure proves the hypertrophied version of the in-between channel. AWG is includes of a diffraction of the lens and the grate and the slender end product split with a spatially modeled of the mask on extremum of the grates. This needed provides an end product of the temporal wave form. But that is a precisely scaled version of the input spacial profile at the grate. [ 15 ] In cherished of a cyclically ailing input of the spacial form creates a on a regular basis separated explode of pulsations. An AWG could be thought about to the incorporated pulsation signifier where the array wave guide relates to the grates of the lens grouping in the majority equipment and the AWG end product waveguide groups to the greater portion optics end product. [ 15 ] The spacial wave guide theoretical account next to the end product of the AWG array portion is correspondent to the cyclically moderated spacial visible radiation on the greater portion grating the optics ; this clarifies the close lucifer among the highly high velocity pulsation explodes made here via lighting of an AWG and antecedently utilizing pulse makers. And besides the greater portion optics such as the AWG is able of bring forthing legion spatially divided and wavelength moved but else the same transcripts of the pulse explode. [ 15 ] As this attitude for brand usage of an AWG is earlier undiscovered, it is important to in brief express the optical power effectivity. Mentioning to the effectivity for a lone end product channel is approximately known by the base on balls set breadth separated. When the setup is planned so that end product channels are spaced by, the legion end product channels is approximately. So, the entire optical power effectivity is known by the efficiency for a individual channel period the figure of channels as the consequence. [ 15 ] In reappraisal of the experiment, we have to uncover in the first clip for our acquisition, the coevals of trains of the pulsations at terahertz repeat velocity is likely from an AWG. The cardinal conditions are that the device must be modified. And the multiple filters of base on balls sets of the signal tantrum within the input of the optical maser bandwidth. And the end product pulse repeat frequence is equal to the free spectral scope, or every bit the antonym of the hold of an addition per direct in of the array waveguide part. [ 15 ] The end product temporal profile is invariant across different end products of the same device, but the in-between wavelength moves from one end product to the following with the measure of displacement given by the channel spacing of the device. [ 15 ] In the pulsation spectrum breadth of an single pulsations in the end product train is verified by the input pulse breadth. These sole belongingss are license for coevals of the same wavelength shifted and really high velocity of the pulsation trains for intercrossed TDM ( Time Division Multiplexing ) and the WDM ( Wavelength Division Multiplexing ) communications and photonic signal processing. In the hereafter, we anticipate that similar experiments may be performed with a high-repetition-rate of the beginning ( 10s of GHz ) , which lead to really closely spaced or even uninterrupted THzs pulse should split. [ 15 ] 6.3 AWG WORK AS INTERLEAVER Figure 6.3.1 simple construction of the simulation of AWG usage as Interleaver. In this simmulation input the sevaral frequncy by utilizing optical transmetters. And fall in the ideal mux and AWG. Out put of the ideal mux showen in figure 6.3.2. there is seven ( 7 ) frequncies with multiplexed out put. Figure 6.3.2 optical end product of Mux Figure 6.3.3 optical end product of optical spectrum Analyzer. In this figure can place chief end product of four ( 4 ) frequences are interleaving. Figure 6.3.3 optical end product of optical spectrum Analyzer-1. In this figure can place chief end product of other three ( 3 ) frequences are interleaving. 7. TIME PLANE 8. CONCLUTION In the changing universe, most things are altering into electronic based systems and the easy portion of the operations. As the consequence of this, optical fibres are usage to communicating. Now a twenty-four hours ‘s optical fibres are overlap with applied scientific discipline and technology designs and the applications of the equipments. In this undertaking is investigated theoretically the basic design parametric quantities of panoplied wave guide grate ( AWG ) with utilizing opti system package. In the experiments used the C-band ‘s spectral scope ( from 1530 nanometer to 1565 nanometer ) . And have been demonstrated theoretically that the lower limit of the diffraction order and the maximal figure of the input and the end product wavelength channels, and so the maximal figure of the panoplied wave guides. Besides have to look into the optimisation design and the parametric quantities of AWG for a C-band application. By utilizing opti system package comparing the fluctuation of frequence spacing and wavelength constellation with AWG. That configures with two types, multiplexer and the de multiplexers. Got readings with altering frequence spacing. Those are additive diagrams. The ground for that frequence spacing fluctuation is additive for both multiplexrs and de multiplexer constellations in AWG. The cognition was addition about the how to work with the soft ware and the constituents can be use in imitating procedure by utilizing opti system package. 9. Reference [ 1 ] Yinchieh Lai. â€Å" Arrayed wave guide grating DWDM interleaver † , OFC 2001 Optical Fiber Communication Conference and Technical Digest Postconference Edition ( IEEE ) , 2001 [ 2 ] hypertext transfer protocol: //www.nottingham.ac.uk/ggiemr/downloads/SL_chapt2.pdf [ 3 ] Xaveer J. M. Leijtens. â€Å" Arrayed Waveguide Gratings † , Springer Series in Optical Sciences, 2006 [ 4 ] hypertext transfer protocol: //www.apollophoton.com/apollo/APNT/APN-APSS-AWG.pdf [ 5 ] hypertext transfer protocol: //www.comsoc.org/ci/private/1998/dec/Sadot.html [ 6 ] Hecht, Jeff. â€Å" New household of constituents emerge from arrayed waveguide grates: interior decorator are utilizing AWGs to make a † , Laser Focus World, Dec 2003 Issue [ 7 ] hypertext transfer protocol: //www.scipub.org/fulltext/ajeas/ajeas22317-323.pdf [ 8 ] hypertext transfer protocol: //en.wikipedia.org/wiki/Optical_fiber [ 9 ] O. Moriwaki. â€Å" Interleaved Waveband MUX/DEMUX Developed on Single Arrayed-Waveguide Grating † , OFC/NFOEC 2008 – 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference, 02/2008 [ 10 ] S. Cao. â€Å" Interleaver Technology: Comparisons and Applications Requirements † , Journal of Lightwave Technology, 2004 [ 11 ] Wang, Q.. â€Å" Optimal design of a flat-top interleaver based on cascaded M-Z interferometers by utilizing a familial algorithm † , Optics Communications, 20030901 [ 12 ] Qin, Z.-K.. â€Å" Analysis for fiction mistakes of panoplied wave guide grating multiplexers † , Optics and Laser Technology, 200803 [ 13 ] D.E. Leaird. â€Å" Generation of high-repetition-rate WDM pulsation trains from an arrayed-waveguide grate † , IEEE Photonics Technology Letters, 3/2001 [ 14 ] A. Kaneko et Al, â€Å" Recent advancement on AWGs for DWDM applications, † IEICE trans. Vol.E83-C, no.6, 2000. [ 15 ] ITU-T specification study G.709 and G.975 [ 16 ] Journal of Light wave Technology, Vol.21, No.8, Aug 2003 [ 17 ] E. S. Koteles, â€Å" Integrated two-dimensional wave guide demultiplexers for high denseness WDM applications, † Fiber and Integrated Optics, vol.18, pp. 1999. [ 18 ] John M. Senior â€Å" Optical FiberCommunication † [ 19 ] IEEE Photonics Technology Letters, Vol. 13, No. 3, March 2001 [ 20 ] hypertext transfer protocol: //en.wikipedia.org/wiki/Optical_fiber [ 21 ] Y. Inoue, H. Takahashi, and et Al: â€Å" Elimination of polarisation sensitiveness in silicabased wavelength division multiplexer utilizing a polyimide half waveplate, † J. Lightwave Technology, vol.15, no.3, pp1947-1957, 1997. [ 22 ] hypertext transfer protocol: //www.freepatentsonline.com/7539368.html [ 23 ] C. Doer et al. , IEEE Photon. Tech. Lett.11, 581 ( 1999 ) . [ 24 ] ] K. Takada et al. , IEEE Photon. Tech. Lett.az13, 1182 ( 2001 ) . [ 25 ] C. Dragone- optical multiplexer and two-dimensional agreement of two star couplings, IEEE Phot. vol. 3, no. 9, pp. 812-815, 1991. [ 26 ] M. K. Smit and A. R. Vellekoop – Four channel integrated-optic wavelength multiplexer with weak polarisation dependance, Lightwave Technology. , vol. 9, no. 3, pp. 310-314, 1991. [ 27 ] hypertext transfer protocol: //www.aero.org/publications/crosslink/winter2002/04.html [ 28 ] Rajiv Ramaswami A ; Kumar N. Sivarajan. , â€Å" Optical Networks † [ 29 ] M. K. Smit and C. van Dam, â€Å" PHASAR-Based WDM-Devices: Principles, Design and Applications † , IEEE J. of Sel. Subjects in Q.E. , vol. 2, no. 2, pp. 236-250, 1996. [ 30 ] IEEE Photonics Technology Letters, Vol.17, No.12, Dec 2005 [ 31 ] Faculty of Electrical Engineering, Universiti Teknologi Malaysia-VOL. 10, NO. 2, 2008. [ 32 ] K. Okamoto, Fundamentals of optical wave guides, New York: Academic, pp. 359, 2000. [ 33 ] P. MuE?noz, D. Pastor and J. Capmany, â€Å" Analysis and design of panoplied wave guide grates with MMI couplings † Optical Communications Group Universidad PolitA?ecnica de Vera signal-to-noise ratio, 4607 [ 34 ] S.Musa, Borreman, † Multimode arrayed waveguide greating demultiplexer ‘ , University of Twente, Light wawe Devices Group. [ 35 ] H. Takahashi, â€Å" Arrayed wave guide grating for wavelength division multiplexer with nanometer declaration, † Electron. Lett. , vol. 26, pp. 87-88, 1990. [ 36 ] www.oplink.com/shop/images/uploads/AWG50.JPG [ 37 ] C. Dragone, optical multiplexer utilizing a two-dimensional agreement of two star, IEEE Photon. ( 1991 ) How to cite Analysis Of Array Waveguide Based Interleaver Engineering Essay, Essay examples

Thursday, December 5, 2019

Moronic and idiotic Essay Example For Students

Moronic and idiotic Essay In the opening stage directions Priestley creates a relaxed atmosphere by a group of people celebrating and having a little party. Priestley shows its relaxed by telling us whats on the table. The objects on the table are all products that help people more laid back and joyful, decanter of port, cigar box and cigarettes. Also the light in the room is pink and intimate which is calm on your eyes and which shows everything is calm and peaceful between the characters at the moment. Lighting should be pink and intimate until the inspector arrives, and the it should be brighter and harder. This tells the audience the inspector is bringing strife to the celebration and he will cause a lot of tension. The furniture looks important and heavily comfortable but not cosy and homelike. It has good solid furniture of the period. The general effect is substantial and heavily comfortable but not cosy and homelike. This says the furniture is just to show off and really for the family to sit around showing they care more about money than each other. Mrs Birling has a wealthy family so shes always been wealthy but Mr Birling had to work hard for he money he earned by himself. His wife is about fifty, a rather cold woman and her husbands social superior. Mr Birling is a bit jealous of his wife cause she didnt have to work for her wealth and he did. Also because hes the man of the family he feels its his job to have the most money and to look after his wife and children. This shows a hint of tension between Mr and Mrs Birling from the jealousy Priestley shows a relaxed atmosphere in the beginning of Act One by having all the glasses filled and having Birling in a joyful mood. They now have all the glasses filled. Birling beams at them and clearly relaxes. Later on Gerald produces a ring case to Sheila with the ring he wanted her to have. Sheila and Mrs Birling are especially delighted about the ring Oh its wonderful! Look mummy isnt it a beauty This makes the atmosphere more relaxed by Sheila getting the special engagement ring she was waiting for. Birling speaks a lot about his business and he tells Gerald Shell make you happy and Im sure youll make her happy. Youre just the son-in-law I always wanted. Mr Birling wants to make sure this wedding actually happens so hes sucking up to Gerald. Birling only wants the wedding to happen because Gerald owns a company, which competes with his company, so he will make more money. Perhaps we may look forward to the time when the Crofts and Birling are no longer competing but working together for low costs and higher prices. This shows Birling doesnt really care that his daughters getting married but how he can make more money from her marriage. What he says shows he believes in capitalism. He makes the occasion less delightful by talking about business rather often and the audience think Birling is moronic and idiotic. Eric is supposed to be rather shy but he is being a bit strange and rude. In the opening stage directions it says Eric is half shy, half assertive. Eric isnt being like that hes being quite loud and creates a bit of a mystery why hes not being his normal self. Eric says rather noisily all the best! Shes got a nasty temper sometimes but shes not bad really. Good old Sheila. Eric has had a bit too much to drink but hes still acting unusual. Eric creates more of mystery by randomly laughing, Eric suddenly guffaws Sheila then says severely Now whats the joke? Eric replies, I dont know really. .ua9bac8f9f4b32ff1f31eab717ec6e0a9 , .ua9bac8f9f4b32ff1f31eab717ec6e0a9 .postImageUrl , .ua9bac8f9f4b32ff1f31eab717ec6e0a9 .centered-text-area { min-height: 80px; position: relative; } .ua9bac8f9f4b32ff1f31eab717ec6e0a9 , .ua9bac8f9f4b32ff1f31eab717ec6e0a9:hover , .ua9bac8f9f4b32ff1f31eab717ec6e0a9:visited , .ua9bac8f9f4b32ff1f31eab717ec6e0a9:active { border:0!important; } .ua9bac8f9f4b32ff1f31eab717ec6e0a9 .clearfix:after { content: ""; display: table; clear: both; } .ua9bac8f9f4b32ff1f31eab717ec6e0a9 { display: block; transition: background-color 250ms; webkit-transition: background-color 250ms; width: 100%; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #95A5A6; } .ua9bac8f9f4b32ff1f31eab717ec6e0a9:active , .ua9bac8f9f4b32ff1f31eab717ec6e0a9:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #2C3E50; } .ua9bac8f9f4b32ff1f31eab717ec6e0a9 .centered-text-area { width: 100%; position: relative ; } .ua9bac8f9f4b32ff1f31eab717ec6e0a9 .ctaText { border-bottom: 0 solid #fff; color: #2980B9; font-size: 16px; font-weight: bold; margin: 0; padding: 0; text-decoration: underline; } .ua9bac8f9f4b32ff1f31eab717ec6e0a9 .postTitle { color: #FFFFFF; font-size: 16px; font-weight: 600; margin: 0; padding: 0; width: 100%; } .ua9bac8f9f4b32ff1f31eab717ec6e0a9 .ctaButton { background-color: #7F8C8D!important; color: #2980B9; border: none; border-radius: 3px; box-shadow: none; font-size: 14px; font-weight: bold; line-height: 26px; moz-border-radius: 3px; text-align: center; text-decoration: none; text-shadow: none; width: 80px; min-height: 80px; background: url(https://artscolumbia.org/wp-content/plugins/intelly-related-posts/assets/images/simple-arrow.png)no-repeat; position: absolute; right: 0; top: 0; } .ua9bac8f9f4b32ff1f31eab717ec6e0a9:hover .ctaButton { background-color: #34495E!important; } .ua9bac8f9f4b32ff1f31eab717ec6e0a9 .centered-text { display: table; height: 80px; padding-left : 18px; top: 0; } .ua9bac8f9f4b32ff1f31eab717ec6e0a9 .ua9bac8f9f4b32ff1f31eab717ec6e0a9-content { display: table-cell; margin: 0; padding: 0; padding-right: 108px; position: relative; vertical-align: middle; width: 100%; } .ua9bac8f9f4b32ff1f31eab717ec6e0a9:after { content: ""; display: block; clear: both; } READ: Romeo and Julietby William Shakespeare EssaySuddenly I felt I just had to laugh. Eric creates tension by not acting normal and all the characters notice hes being a bit strange and wonder why. Hes being louder than usual to try and show nothing is wrong with him. Theres dramatic irony in Birlings speech because Preistley set the play in 1912 and it was then shown in 1946. Preistley uses dramatic irony to show Birling as an unintelligent person. Birling said, Germans dont want war, Nobody wants war and there were two world wars the first one in 1914 and the second between 1939 1945 and the Germans started the second world war. This shows Birling as a dumb man. Birling then talks about the Titanic and how its going to be unsinkable, he says New York in five days and every luxury and unsinkable, absolutely unsinkable. Everyone knows the Titanic didnt reach New York and it sank. Birling makes himself look more unintelligent the more he talks. Birling then said about in 1940s Therell be peace and prosperity. But the audience knows he couldnt have got that more wrong because in 1940 world war two was happening. Birling believes in capitalism and everything he predicts he gets wrong that makes the audience think capitalism is the wrong way to live. Birling then says therell be rapid progress everywhere except of course in Russia, which will always be behind naturally. The audience know Russia was one time the most powerful country in the world. To show Birling is against socialism he said, We cant let these Benard Shaws and H. G. Wellses do all the talking. These two people believe in socialism and because Birling managed to get everything he said incorrect you then believe socialism must be the correct way to live because Birling says its wrong. Birling believes he is subtle but really the audience thinks he isnt very bright at all. Preistley showed capitalism is wrong in an ingenious way so you believe Preistley by having Birling do a speech and managing to get everything he talks about incorrect and making the audience feel hes dense. This makes capitalism look like a poor way to live and socialism a finer way to live. Once Mrs Birling, Sheila and Eric leave the room, Mr Birling tries to boast to Gerald. Birling says, I was lord mayor here two years ago when royalty visited Birling is saying he is important enough to meet royalty, so he thinks hes great and an above average human being. He then says, I gather theres a very good chance of a knighthood so long as we behave ourselves, dont get into the police court or start a scandal eh? and he laughs. Thats a hint that its going to happen and Birling thinks no police would try to find anything wrong with the Birlings. So the audience think hes as stupid as ever. Preistley using dramatic irony with the police actually then appearing adds tension.

Thursday, November 28, 2019

The Crucible Essays (643 words) - Salem Witch Trials, The Crucible

The Crucible In Arthur Miller's The Crucible, the main character Abigail Williams is to blame for the 1692 witch trials in Salem, Massachusetts. Abigail is a mean and vindictive person who always wants her way, no matter who she hurts. Through out the play her accusations and lies cause many people pain and suffering, but she seemed to never care for any of them except John Proctor, whom she had an affair with seven months prior to the beginning of the play. John Proctor and his wife Elizabeth used to employ Abigail, until Elizabeth found out the affair and threw Abigail out. Although John told Abigail that the affair was over and he would never touch her again, she tried desperately to rekindle their romance. Abby, I may think of you softly from time to time. But I will cut off my hand before I'll ever reach for you again. (Page 23) She claimed that she loved John and that he loved her. Before the play began, Abigail tried to kill Elizabeth with a curse. She thought that if Elizabeth were dead John would marry her. Further into the play, Abigail accused Elizabeth of witchcraft. She saw Marry Warren, the Proctor's servant, making a poppet. Mary put a needle into the doll, and Abigail used that for her accusation. She stabbed herself with a needle and claimed that Elizabeth's soul had done it. Although Abigail claimed she loved John, she may have just loved the care and attention he gave her. John cared for her like no one else had. In a way he could be described as somewhat of a father figure to her. When Abigail was just a child, she witnessed her parents' brutal murders. I saw Indians smash my dear parent's heads on the pillow next to mine... (page 20) After her traumatic experience, she was raised by her uncle, Reverend Parris, who is somewhat of a villain. In the play it was written, He (Parris) was a widower with no interest in children, or talent with them. (Page 3) Parris regarded children as young adults who should be thankful for being permitted to walk straight, eyes slightly lowered, arms at the sides, and mouths shut until bidden to speak. (Page 4) Therefore, it is obvious to see that Abigail grew up without any love or nurturing. She also was without any real mother or father figures. Abigail grew up to be deceitful and treacherous, lacking trustworthiness. On account of the fear for her life, Abigail began to accuse the townspeople of witchcraft. After she and the other girls were discovered in the forest dancing, she knew that they would be whipped and possibly hung. Abigail claimed that they were bewitched, and began to name names of those who were 'with the devil'. Nothing would stop her from protecting herself. When John forced Mary Warren to tell the truth about the lies that she, Abigail, and the rest of the girls were telling, Abigail proclaimed her innocence and then began to accuse Mary of being a witch. She claimed she saw Mary's spirit in the form of a bird. But God made my face; you cannot want to tear my face. Envy is a deadly sin, Mary. (Page 115) Abigail feared for her life so much that she protected it even when John was accused of witchcraft and was sentenced to be hung. Although she loved him, she would not sacrifice herself for him. In conclusion, the cause of the witch trials was Abigail Williams. Considering the facts about her love for John, traumatic childhood, and fear for her life it is easy to see that it was Abigail's fault that the tragedy occurred. As the horrible person that she was, Abigail fought to get her way no matter whom she hurt, and unfortunately in the end she did. English Essays

Sunday, November 24, 2019

Do you think the Homecoming is a realistic play

Do you think the Homecoming is a realistic play? The Homecoming is a play whose emphasis is too much on trying to be realistic thus creating a wholly unrealistic outlook on life. The Homecomings sparse realism evolves from there being no guarantee that a visitor will possess a visitors card detailing all his personal information. The desire for verification is often satisfied in a dramatically conventional play but in The Homecoming it is not. There is no hard distinction between what is real and what is unreal nor between what is true or false. The more acute the experience, the less articulate its expression thus convincing the audience of The Homecoming being a series of individuals caught in the tangled web of life. When Teddy enters the audience knows nothing about him and there are virtually no clues. Neither Teddy nor Ruth brings up their relation with the family until an indirect force causes Teddy to tell Ruth, Thats my fathers chair. However, the lack of clarity makes the play seems unrealistically ambiguous. Throughout the play we are looking for clarification of what we suspect about Mac and Jessie. There is none, just as we are forbidden the comfort of an obvious meaning to the play. He was very fond of your mother, Mac was. Very fond. He always had a good word for her. Mind you, she wasnt such a bad woman. Even though it made me sick just to look at her rotten stinking face, she wasnt such a bad bitch. I gave her the best bleeding years of my life anyway. The pauses, as shown above, emphasise Pinters naturalistic ability to hint something and provoke the audience to recognise the complications of each character, making the language in the play often seem superficial. In this extract the pause is Maxs train of thought. The only way to link the two parts of speech are by realising that Jessie must have done something terrible...

Thursday, November 21, 2019

REASONING AND ANALYSIS Research Paper Example | Topics and Well Written Essays - 750 words

REASONING AND ANALYSIS - Research Paper Example The income transfer does not necessary need to be worked for but is issued on free terms regardless of merit. Consumption can be depicted by what a person eats, what person dresses, the house he or she lives in and the luxuries in which that person can afford. The price of a good can be considered the cost of buying a set good; on the other hand, value can be described as the satisfaction one derives from consuming a particular commodity. Therefore, value is the most important aspect to a consumer. The main argument that constitutes the claim is that income affects inherent consumption. It is guaranteed that as income increases, consumption also increases. Thus, the two are directly proportional. However, it can be noted that income affects consumption but not the other way round. Consumption cannot affect income since it is consumption that is dependent on income. In another perspective, it is noted that income also affects a person’s relations. As income increases, the relationship of a person with other people tends to be directed to people of the same caliber. A person who is rich can be noted to have more friends who are related to his or her status. Also, it is noted that rich people are less superstitious and noted to be les s religious. Therefore, income affects relations of the individual (Miller, 1998). In life, as someone increases his wealth, his surroundings tend to change. An instance is the theory put forward by Keynes. The theory is justified by different research papers. The Keynesian theory, the consumption of a person is directly affected by the income. The income tends to trigger other tastes and preferences that were not significant to a person in a former status. Therefore, a person tends to develop a taste for luxurious commodities depending on the level of income. In addition, as the price of luxurious goods increases, the value of the good also increases. Income also affects the consumption of alcohol

Wednesday, November 20, 2019

What do Happiness Studies Study Does Happiness Change After Major Life Essay

What do Happiness Studies Study Does Happiness Change After Major Life Events - Essay Example He also went furhter in dissecting the etymology of the word â€Å"happiness† by tracing to its root word â€Å"hap†, meaning chance and luck whether it is good and bad in his effort to find the true meaning of happiness. The other study of Lucas that our set point of well being or our normal selves is predominantly biologically determined and our response and how we adapt to happiness life changing events in life fluctuates around that levels but will ultimately settle back to this normal state of well being. Griffin in his study about happines begun by assigning a value at the beginning of his argument particularly when Griffin cited eudaimonia† referring to â€Å"having a good guardian spirit† because that defined the trajectory of his argument. He begun associating martyrdom with happiness and formulating imaginary mathematical equation that being â€Å"happy now† and â€Å"more happy instances† vis-a-vis lesser unhappy instances would net to a happy life that made the paper problematic. The analysis was quite simplistic particularly when Griffin added Hume’s standard of taste because it required putting standard to happiness that can be likened to the concept of right and wrong in being happy. Any modern student of philosophy can refute this argument because we already know that there is no universal formula or standard of happiness. What makes one elated with happiness may be a casual circumstance to another. The bottomline is, what makes one happy will not necessarily make another happy. This test can easily be applied to refute the paper’s argument by also using one of Griffin’s example which is the woman from India who is â€Å"badly oppressed and what from the outside looks like a miserable existence† (2007:141) and might be content with small improvement of which such contentment, Griffin argued, would not necessarily mean she has a â€Å"happy life†. The trouble with Griffin ’s line of argument in this example is he already put a qualifier in the his hypothesis by framing it as â€Å"pathetically content with a small improvement in what from the outside looks like a miserable existence† (141). There was already a value judgment in the hypothesis which was supposed to be in the conditional because it is yet to be argued. Such, the conclusion is certain to arrive that she will not be happy because the line of reasoning did not provide room for refutation. It can be contended however that the woman, as opposed to the paper’s contention, is happy to the slightest improvement that will come in her life and not necessarily pathetic as what Griffin has framed. With how Griffin framed his words, it seem that he has not experienced poverty because it became an automatic reaction to him to say that a poor woman despite being content of having little will still be unhappy. It is like refuting his own argument because in his words, Griffin also mentioned that â€Å"one’s life is happy if one is content that life has brought one much of what one regards as important† (2007:140). Perhaps in his value system, slight improvement is not significant to be considered important but for those who were already exasperated with poverty, a moment of relief and the slightest of improvement is already bliss. Griffin is arguing from the point of view of a rich man who has not sufferred deprivation of his basic need such that, the provision of basic material

Monday, November 18, 2019

Action research project (for non-experienced teacher on English Essay

Action research project (for non-experienced teacher on English Language Teaching (ELT) setting) - Essay Example However, this experience of learning is made more significant and poignant when one is the teacher. This is claimed on the premise that in the context of being the teacher, one is no longer just responsible for the things that one learns for oneself but one becomes responsible for the things that one will share with the class, of how to share it with the class and of engaging the class in the process of learning. And all of these are geared towards the hope that in the end, the aims and goals of the discussion are attained. In acknowledging the multidimensionality of the responsibilities of the teacher plus the personal context and condition from where the teacher is coming from, creates the feeling of nervousness in the teacher. Now it is known. Teachers, too, feel nervous in class (Fives & Buehl, 2010). And addressing this feeling is of primordial importance since teacher anxiety or nervousness affects the learning process both for the teacher and the students (Kaufman, 2003; Fives & Buehl, 2010; Coates & Thoresen, 1976; Mintz, 2007). Being such, looking into this concern is vital if an authentic and holistic learning is to be attained. In recognising the reality of teacher nervousness or anxiety and its effect in the learning process, this paper will be addressing the question: ‘how can teachers overcome nervousness or anxiety in the classroom?’ In order to address the question raised by this paper, the mixed method was utilised. A literature review regarding the subject matter and a qualitative interview were undertaken. For the literature review, the electronic databases Academic Source Complete, Jstor, ERIC, and Primary Research were searched using the combination of the following key terms: teacher anxiety, teacher nervousness, English as a second language, classroom environment, classroom management, learning and language. Articles written only in English and published in

Friday, November 15, 2019

The Singer Solution To World Poverty

The Singer Solution To World Poverty Poverty is the state of people who do not have a certain amount of income to achieve the basic needs. Peoples buying power is not enough to pay their basic need from food. In the article Peter Singers to ground the conclusion that it is morally wrong not to donate time and money to aid agencies. In Singers analogy it is stated that not saving a child who is drowning in a shallow pond, given that the sacrifice one has to give is relatively small, is morally analogous to not donating time and money to aid agencies that save the lives of the global poor. Because most people have the intuition that not saving the child is wrong then not donating time and money to aid agencies is also wrong. An important consequence of this restatement of the argument is that we avoid the discussion of the validity of the life-saving analogy: The discussion of whether we can actually liken the two cases in the analogy together. Much of the writings on the analogy have revolved around the question how analogous and disanalogous the two cases are. One of my aims in the paper is to show that we do not need to answer that question in order to reach the conclusion that it is morally wrong not to donate time and money to aid agencies: We do not need the analogy at all. If we show that we can annul the analogy then we are free from the problems and the vagueness which are a consequence of the use of analogical reasoning. If the universal moral principle in the deductive argument above is reasonable then we owe it to the global poor, who are dying by the millions every year, to state the argument which grounds our duties to them as simply, directly and convincingly as possible. The hope is that by redesigning the argument for this conclusion then the citizens of the affluent world will rather be convinced to act according to the conclusion of such an argument than to the conclusion of the argument which contains the lifesaving analogy. All of which raises a question: In the end, what is the ethical distinction between a Brazilian who sells a homeless child to organ peddlers and an American who already has a TV and upgrades to a better one knowing that the money could be donated to an organization that would use it to save the lives of kids in need? Bobs situation resembles that of people able but unwilling to donate to overseas aid and differs from Doras situation. The author Singer is like his name conveying beautiful and kind ideas and theories to people in this world. However, maybe he forgot to realize that Sirens song also pertains to singing. As there are different kinds of human beings in this planet, each with a unique personality and growth environment, we thus could not judge everyone in a same standard and could not ask everyone to perform the ways you want them to act. Let alone, the so-called standards and the principals are all created and manipulated by men. Singers conclusion is unprecedented and encouraging but is lack of cogency. His conclusion was obtained under an ideal situation where human beings could evolve themselves of their own accord. According to what he said, under the ideal situation, we people care others first (to some extent equals to selfless and generous); keep abstinent, especially be moderate in eating; and sacrifice ourselves in order to help others, all of which in my point of view could be treated as virtue of Sage. Singer holds that if we value the life of a child more than going to fancy restaurants, the next time we dine out we will know that we could have done something better with our money. For this statement, I have got two points to contend. Firstly, how come would people be aware of donation? It is because those who would like to contribute their money are the ones who do not need to care too much about their food, their shelter, their cars and their spiritual world. Those people are always the main force in charity industry. But what is the motivation of these kind acts? Some of them are because of redemption, like there are churches setting up service wholly for rich men: if they could donate a big sum of money, they would be logically forgiven by the God. Some of them are due to faces, since the public always criticize the rich for not being so generous to the poor. The rest are unfeignedly on account of kindness because those wealthy men all bear a heart that cares the whole world. But no matter from which starting point, the essence of their donation is because that they are rich and that they donate is because that all of them could still keep their living standard. Yes, living standard. Singer also referred to this phrase when he mentioned how much money one should give away in their donation. Here comes the second point of my judgment. So how much on earth should we donate? Is it the percentage that a person should save for donation matters? Or is it the number $20,000 really matters? Indeed, they are just all simple numbers. Provided we abandoned the prejudice and expected the most ideal state that everyone attempts to share some of his income with the poor, the base increased, then we really dont need to worry about the number exactly cause we have got much more people and their money is in anyway sufficient. In this way, with a large number of people joining the base, the problem is solved. Thus, we could draw the conclusion that it is whether people would do that matters but how much money they would like to give away decides. People are not sage. To err is human. People are born in distinct ways. People in different levels (here levels means the amount money different people own) have imbalanced desire. We are all familiar with Maslows hierarchy of needs. Maslow used the terms Physiological, Safety, Belongingness and Love, Esteem, Self-Actualization and Self-Transcendence needs to describe the pattern that human motivations generally move through. (Wikipedia) thus, before we are about to plan, there is also a process, which happens to be the pyramid of Maslows hierarchy of needs, for people to go through. Thus, we can tell that people always firstly meet their physical requirements such as cloth, eating, shelter, sex and so on. As for donation it pertains to the highest level-self-actualization. From the first level to the highest level, there is a long distance and area to cover. People must conquer all the difficulties in order to actualize themselves. So it then becomes easy for us to understand those rich people The more sweet he or she has already tasted, the less money he or she would donate. This is because $20,000 is nothing to rich people compared to that of the same money in a middle-level family. Especially for rich people, their living habits have been developed and are hard to change. Plus, seldom rich people would change their current habits in order to save more children. As for those relative poor people but rich than those Slum kids, their problems are always concentrated on roles. The most common mental state of those people is collective guilt. People in that level would always argue that I am poor myself and those donation things are for the rich. Rich people are obliged to give away more. Collective guilt is a very dangerous behavior in every society throughout the history. Not only German but Japanese as well, the good thing is that the former confessed crime in public. We have seen some horrible news everyday via different media about people commit crime as a group, such as rape by turns, Amway returning of goods and so on. In The Singer Solution to World Poverty, Singer didnt employ the same word collective guilt but showed us another less severe phrase-crowd ethics. Since we couldnt judge those people who dont donate as collective guilt, but to some extent it is about crowd ethics. In recent years China, we have seen many cases referred to c rowd ethics. We have seen people passing by a dying kid hit by a car; we have seen people turning a blind eye to thieves and we have seen officials being irresponsible. All these people are not guilt but all lack of sympathy. Donation is alike. We have talked much about the groundless of Singers conclusion to the poor. But it is still undeniable that Singer is a great man. He is few in number person whose actions always follow their words. He contributes a great deal to morality research and paves ways for animal protection as well as promotes the worlds ethic levels. Although it is hard to build up a world as Singer has described in the article: If that makes living a morally decent life extremely arduous, well, then that is the way things are. If we dont do it, then we should at least know that we are failing to live a morally decent life not because it is good to wallow in guilt but because knowing where we should be going is the first step toward heading in that direction. But in every era, Sage would eventually appear. There are people even in a few numbers who themselves live under poverty but still donates their limited money day and night and there are people who help each other when confronted with catastrophe. Human beings are strange Higher Beings, but are educable. Only under the leadership of great people like Singer and educating human beings in a correct way, can we eventually live a morally decent life. Work cited Singer, Peter. The Singer Solution to World Poverty. 1999. Wikipedia writer. Maslows hierarchy of needs.

Wednesday, November 13, 2019

Archimedes :: essays research papers

Archimedes is considered one of the three greatest mathematicians of all time along with Newton and Gauss. In his own time, he was known as "the wise one," "the master" and "the great geometer" and his works and inventions brought him fame that lasts to this very day. He was one of the last great Greek mathematicians. Born in 287 B.C., in Syracuse, a Greek seaport colony in Sicily, Archimedes was the son of Phidias, an astronomer. Except for his studies at Euclid's school in Alexandria, he spent his entire life in his birthplace. Archimedes proved to be a master at mathematics and spent most of his time contemplating new problems to solve, becoming at times so involved in his work that he forgot to eat. Lacking the blackboards and paper of modern times, he used any available surface, from the dust on the ground to ashes from an extinguished fire, to draw his geometric figures. Never giving up an opportunity to ponder his work, after bathing and anointing himself with olive oil, he would trace figures in the oil on his own skin. Much of Archimedes fame comes from his relationship with Hiero, the king of Syracuse, and Gelon, Hiero's son. The great geometer had a close friendship with and may have been related to the monarch. In any case, he seemed to make a hobby out of solving the king's most complicated problems to the utter amazement of the sovereign. At one time, the king ordered a gold crown and gave the goldsmith the exact amount of metal to make it. When Hiero received it, the crown had the correct weight but the monarch suspected that some silver had been used instead of the gold. Since he could not prove it, he brought the problem to Archimedes. One day while considering the question, "the wise one" entered his bathtub and recognized that the amount of water that overflowed the tub was proportional the amount of his body that was submerged. This observation is now known as Archimedes' Principle and gave him the means to solve the problem. He was so excited that he ran naked through the stre ets of Syracuse shouting "Eureka! eureka!" (I have found it!). The fraudulent goldsmith was brought to justice. Another time, Archimedes stated "Give me a place to stand on and I will move the earth." King Hiero, who was absolutely astonished by the statement, asked him to prove it.