Raman Amplifier Introduction Basic Raman Concept High Power Raman Fiber Lasers Raman Fiber Amplifier Combining EDFA and Raman Amplifier Conclusion January 8‚ 2008 Y. Lin: Raman Amplifier 1 Introduction Raman Amplifier was demonstrated in the 1980s Unavailability of high-power diode laser pump source Why do you need it : amplify signals from 1270 to 1670 nm any optical fiber can serve as the amplifying medium Raman process itself provides high-power laser Disadvantage:
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INFOSYS PLACEMENT PAPER ON 10 th SEPTEMBER 2006 AT GTAM COLLEGE VIZAG Q1). x^1/3 - x^1/9 = 60 . find the value of X. (3 marks) Ans : write x^1/3 as x^1/9. x^1/9. x^1/9 Now x^1/9(x^2/9 - 1) =60 Now use trial and error method. Then x= 4^9 Q2). There are A‚ B‚ C‚ D‚ E‚ F students they speak one are more than one of english‚ itali‚ french‚ Spanish‚ portueges; B‚ C speak English. But after D joins they
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-Mr. B. General Philosophies “LIBERALS” - believe in government action to achieve equal opportunity and equality for all‚ and that it is the duty of the State to alleviate social ills and to protect civil liberties and individual and human rights. Believe the role of the government should be to guarantee that no one is in need. Believe that people are basically good. Liberal policies generally emphasize the need for the government to solve people’s problems. (Most are DEMOCRATS) “CONSERVATIVES”
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Roosevelt’s Four Freedoms did not find their way into the minorities. Mexican Americans were deeply affected by constant discrimination. While it is true that the war created many opportunities for training and advancement in the industries involved in war production‚ these were given to the Anglo community. During this time‚ there was also a high need of housing and most Mexican Americans did not have the means to secure them. Some employers used propaganda as a way to counter attack the demands of the
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considered when installing cable: • Jacket • Flexibility • Capacitance Aspects of proper design: • A properly designed structured cabling system is based around components or wiring units. An example of a wiring unit is a story of an office building. All the work locations on that floor are connected to a single wiring closet. All of the wiring units can be combined together using backbone cables as part of a larger system. • The transition point is where one type of cable connects to another‚ such
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Electrical Cable Cross section is just a two-dimensional view of a slice through an object. An often asked question: How can you convert the diameter of a round wire d to the circle cross section surface or the cross-section area A (slice plane) to the cable diameter d? Resistance varies inversely with the cross-sectional area of a wire. | ------------------------------------------------- Top of Form | Wire diameter d | unit | | | Cross-sectional area A | unit2 | | |
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When trying to decide between copper and fiber cabling‚ there are several things to think about for which one best will fit your needs. A few things you will need to take into consideration when making your decision are what do you need your cable to be capable of‚ how far do you need your cable to run from point to point‚ what is your budget‚ and always think about the future with room to expand your business. Both copper and fiber cabling have pros and cons. Copper cabling has been around ever
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Introduction Coaxial cable: is an electrical cable consisting of a round conducting wire‚ surrounded by an insulating spacer‚ surrounded by a cylindrical conducting sheath‚ usually surrounded by a final insulating layer. It is used as a high-frequency transmission line to carry a high-frequency or broadband signal. Sometimes DC power (called bias) is added to the signal to supply the equipment at the other end‚ as in direct broadcast satellite receivers. Because the electromagnetic field carrying
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Case 1: The Warhead Cable Test Dilemma 1) What stage of moral development do you think Stanton Wong is at? What about Harry Jackson? Why do you think so? According to Kohlberg’s moral development theory‚ Stanton Wong is at post-conventional level. At this level‚ right action comes to be defined in terms of moral principles chosen because of their logical comprehensiveness‚ universality and consistency. It is because he is concerned with the well being of the innocent civilians and the military
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Assignment 1: The Benefits of Twisted Pair Cable The first thing that should be done in this case is to add a server to the network and make the change from a Peer-to-Peer network to a Client/Server network. This give the company a lot more control over what is available to the various users and can help to mitigate risk to sensitive data and other data that does not need to be shared with the entire company. Additionally‚ this eliminates the need for users to remember multiple username/password
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