1. List the basic elements of a Fiber-Optic communication system • A fiber optic transmission strand that can carry the signal. • A source of invisible infrared radiation modulated to impress digital data or an analog signal on the light beam. • A photosensitive detector to convert the optical signal back into an electrical signal at the receiver. • Optical connectors at the light source-to-cable interface and at the cable-to-photo detector interface. 2. List Five advantages of an optical
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recreation applications. A fiber is a hair-like strand of material. “They are the smallest visible unit of a fabric and are denoted by being extremely long in relation to their width. Synthetic fibers are man made from chemicals. They are generally based on polymers and are stronger than natural and regenerated fibers. Synthetic fibers are the result of extensive research by scientists to improve on naturally occurring animal and plant fibers” (NSP). In its physical form synthetic fibers are widely available
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Optical Fiber Communication Course Code-MCS-616 1. Draw a diagram to approaches of optical communication. 2. Draw a block diagram of Light wave application areas. 3. Why do we use fiber computing? State the characteristics of optical fiber communication. Why we Use Optics for Computing? One of the theoretical limits on how fast a computer can function is given by Einstein’s principle that “signal cannot propagate
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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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Carbon Fiber report Table of Contents Introduction 3 Historical events of Carbon fiber 3 Properties 4 Applications 4 Conclusion 5 Bibliography 6 Introduction There are a lot of new materials that has emerged and been used by engineers and scientists such as Aerogel‚ Metal foam‚ Bioplastic‚ Carbon fiber‚ Graphene and others. This is helping engineers build all new types of machines and instruments such as touch screen mobiles‚ automobile sensors‚ computers‚ planes and a lot more. This
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1007/s10924-006-0042-3 ORIGINAL PAPER Chemical Treatments of Natural Fiber for Use in Natural Fiber-Reinforced Composites: A Review Xue Li Æ Lope G. Tabil Æ Satyanarayan Panigrahi Published online: 4 January 2007 Ó Springer Science+Business Media‚ LLC 2006 Abstract Studies on the use of natural fibers as replacement to man-made fiber in fiber-reinforced composites have increased and opened up further industrial possibilities. Natural fibers have the advantages of low density‚ low cost‚ and biodegradability
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"A carbon fiber is a long‚ thin strand of material about 0.005-0.010 mm in diameter and composed mostly of carbon atoms. The carbon atoms are bonded together in microscopic crystals that are more or less aligned parallel to the long axis of the fiber. The crystal alignment makes the fiber incredibly strong for its size. Several thousand carbon fibers are twisted together to form a yarn‚ which may be used by itself or woven into a fabric. The yarn or fabric is combined with epoxy and wound or molded
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Fiber Optics History of Fiber Optics History Of Fiber Optics In 1870‚ John Tyndall‚ using a jet of water that flowed from one container to another and a beam of light‚ demonstrated that light used internal reflection to follow a specific path. • Alexander Graham Bell patented an optical telephone system‚ which he called the Photophone • He dreamed of sending signals through the air‚ but the atmosphere didn’t transmit light as reliably as wires carried electricity. • During the 1920s‚ John
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The Living Fiber For centuries man has gratefully accepted the protective qualities of wool. By the carefully crossbreeding of sheep‚ he has developed fibers of different lengths‚ diameters‚ and various degrees of softness and crispness. Wool is almost custom-made by nature to fit the needs of man. In its processing and manufacture‚ man takes up where sheep left off. But while new processes and treatments have made wool more versatile in its uses‚ man has not improved the fiber itself. Wool
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ANIMAL FIBER Animal fibers are largely those which cover mammals such as sheep‚ goats and rabbits with well-known examples such as alpaca‚ merino‚ wool‚ fur and mohair. Animal fibers are natural fibers that consist largely of particular proteins. Instances are silk‚ hair/fur (including wool) and feathers. The animal fibers used most commonly both in the manufacturing world as well as by the hand spinners are wool from domestic sheep and silk. Also very popular are alpaca fiber and mohair
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