A seminar report on fiber optics, powiet, jorhat, electrical department. Optical fiber a single solid dielectric of two concentric layers. Optical fiber is a very thin strand of pure glass, which acts as a waveguide for light over long distances. Fiber optic ppt pdf optical fiber transmission medium scribd. Optical fiber communications keiser 4th edition pdf. Everything you always wanted to know about optical networking but were afraid to ask 1 richard a steenbergen nanog 57 february 20. Potter is a professor of material science and engineering in the university of arizona. Introduction to fiber optics what are optical fibers thin strands of pure glass carry data over long distances at very high speeds fiber can be bent or twisted fiber optic technology sources transmission medium detectors sources of light light emitting diodes lasers sources modulate electrical signals into optical signals mostly modulate at 850nm, 0nm and 1550 nm lasers give high intensity. Optimal design of dma probe for austenitic stainless steel weld of cfetr vacuum vessel.
Optical fiber wave guiding to understand transmission mechanisms of optical fibers with dimensions approximating to those of a human hair. It follows a helical trajectory confined within a cylindrical shell of radii r and a. Optical crossconnect system for survivable optical layer. When tight buffered the individual optical fibre is covered directly with a layer of thermoplastic material or one or more fibres can be contained within a loose tube which is filled with a. The optic nerve is ensheathed in all three meningeal layers dura, arachnoid, and pia mater rather than the epineurium, perineurium, and endoneurium found in peripheral nerves. Seminar report on fiber optics free download as powerpoint presentation. Ppt optical fiber communications powerpoint presentation. Everything you always wanted to know about optical. Oxcprototype system focuses providingsurvivability through restoration against failures, cablefibercut, opticallayer networks ringtopologies.
A fiber optic cable is made of glass or plastic and transmits signals in the form of light several aspects of the nature of light. Spatial distributions of em fields do not change with time. The term light in fiber transmission, even though commonly used. There has been intense research in the area of fiber optic sensors over the last decade. Csjma090104 ece 4rd year,uiet, kanpur submitted to. It is adequate for offering a higher bandwidth when compared with the copper infrastructure to both businesses as well as consumers. Fundamentals of fiber optic systems optical fibers guide light waves within the fiber material because light rays bend or change direction when they pass from one medium to another. Ppt optical sensors and their applications powerpoint. Wavelength division multiplexing wdm will be used to subdivide the very large fiber bandwidth into several channels, each of gbps bandwidth. Otnpdfcreatedwithpdffactoryprotrialversionvotnvotnvotn.
Optical fiber communication seminar and ppt with pdf report. Internet technology allows a company like engineersupply to keep a catalog updated, but that alone is not enough. Cox iii analog optical links theory and practice cambridge studies in modern op free ebook download as pdf file. Optical fiber is a very thin strand of pure glass, which.
Explore optic fibre cable with free download of seminar report and ppt in pdf and doc format. Welcome to the 2016 optical fiber communication conference and exhibition on behalf of the many volunteers and professionals organizing ofc 2016, it is our sincere pleasure to welcome you to anaheim. Fiber bragg grating application demultiplexing wavelength dropping process. Optical losses extrinsic fiber losses these losses are specific to geometry and handling of the fibers and are not functions of the fiber material itself. Welcome to the 2016 optical fiber communication conference. It either functions as a waveguide or light pipe that transmits light between two ends of the fiber or fiber cable. Also explore the seminar topics paper on optic fibre cable with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year computer science engineering or cse students for the year 2015 2016. Consider 4 wavelengths entering a circulator at port 1. The inner layer known as core is of radius a and refractive index n 1. Osi op to electronics catalog gallium arsenide capacitor. Fiber acts as an open optical waveguide may be analyzed using simple ray theory geometric optics. On the order of 50m and 65m, multimode fiber allows multiple raysmodes to couple and propagate simultaneously down the fiber as demonstrated in figure 5. Plastic optical fibers pofs plastic optical fibers pofs are a lowcost solution for lowspeed, shortdistance applications in digital car networks, industrial networks, and home networks and appliances.
Fiber optics this lecture numerical aperture of optical fiber allowed modes in fibers attenuation distortion modal distortion material dispersion waveguide dispersion last lecture fourier analysis temporal coherence and line width partial coherence spatial coherence. A wide range of application areas have been identified and the technology has now matured to the point. Optical fiber optical fiber or fiber optic refers to the medium and the technology associated with the transmission of information as light. Na is an important factor in light launching designs into the optical fiber. Fiber tracts of the mammalian central nervous system have only limited regenerative capabilities compared to. Materials, devices, and systems is a new cuttingedge journal designed to. Optical fiber presentation free download as powerpoint presentation. Optical fiber uses carrier frequency of the order of 10 15 hz.
Optic fibre cable seminar report and ppt for cse students. Introduction to optical communication yatindra nath singh eeaces iit kanpur. Scribd is the worlds largest social reading and publishing site. An optical fiber is a flexible, transparent fiber made of high quality glass silica or plastic, slightly thicker than a human hair. Namely, the high speed lans will be connected to an optical star or tree \physical\ topology. Necessary to consider the optical waveguiding of a cylindrical glass fiber. Unit iii computers electronic engineering computer. Engineersupply was founded and started in 1999 with the idea of aggregating engineering supplies, land surveying equipment, drafting supplies, art equipment, industrial equipment, and construction tools into one combined catalog.
Chapter 8 optical fiber splicing attenuation curve for silica optical fiber. V number normalized frequency define number of possible modes for a fiber. Also explore the seminar topics paper on free space optics with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year 2015 2016. Its function is to guide visible and infrared light over long distance. The term fiber optic is coined in 1956, but it isnt until 1970 that scientists at corning produce a fiber of ultrapure glass that transmits light well enough to be used for telecommunications. Manufacturing process optical fibres in a cable are normally protected in one of two ways, either being tight buffered or contained in loose tubes. Identify the basic components of a fiber optic communication system. Consider two dielectric media with different refractive indices and with n 1 n 2 and that are in perfect contact, as shown in figure 5. An optical fiber is a cylindrical dielectric waveguide made of lowloss materials such as silica glass. It has a central core in which the light is guided, embedded. Ppt optical fiber splicing powerpoint presentation. For single mode propagation, v optical fiber materials.
Large core fiber is attractive due to the ease in which light form a source can be coupled into the fiber, significantly reducing the. An optical fiber is a thin, flexible, crystal clear fiber that acts as a waveguide, or light pipe, to convey light between the two ends of the fiber. The plastic optical fiber is made out of a plastic such as acrylic pmma as the core material and fluorinated or perfluorinated. The outer layer called cladding has refractive index n 2. Optical fiber carries much more information than conventional copper wire and is in general not subject to electromagnetic interference. Optical fiber communication vtu notes pdf ofc pdf vtu sw. Here you can download the optical fiber communication vtu notes pdf ofc pdf vtu of as per vtu syllabus. T1is b00k like its previous edition pr0vides the basic material for an intr0duc. Guide an educational resource published by communications specialties, inc introduction to fiber optics the equipment, tools and cabling that comprise a fiber optic link, how they work and their advantages over traditional copper. Seminar report on fiber optics optical fiber cable. Ppt optical fiber communications powerpoint presentation free to view id. An optical fiber is a thin, flexible, transparent fiber that acts as a waveguide, or light pipe, to transmit light between the two ends of the fiber.
I ph c j r sh r l v 0 i d i 0 r s 4 noptical characteristics responsivity, r x the responsivity of a silicon photodiode is a measure of the sensitivity to light, and it is defined as the ratio of the photocurrent i p to the incident light power p at a given wavelength. Optical losses extrinsic fiber losses bending losses. Fiber optics is affordable today, as electronics prices fall and optical cable pricing remains low. Introduction physical fundamentals of optical fiber transmission light is used in optoelectronics and optical fiber telecommunication for data transmission, in optical fiber interferometers, optical fiber lasers, sensors and optical fiber modulators. Graded index fiber has a lower modal dispersion than step index fiber plastic fiber is cheaper than glass fibers dispersion shifted fiber is used in dwdm systems if a signal can travel 1600 km at 10 gbps, due to pmd it can travel 400 km at 40 gbps fiber becomes multimode above its cutoff wavelength lasers are never used with multimode fibers.
As bandwidth demands increase rapidly with technological advances, fiber will continue to play a vital role in the longterm success of telecommunication. The purpose of this article is to provide the nontechnical reader with an overview of. Basics of fiber optics mark curranbrian shirk fiber optics, which is the science of light transmission through very fine glass or plastic fibers, continues to be used in more and more applications due to its inherent advantages over copper conductors. Optical fiber ppt free download as powerpoint presentation. Professor, material science and engineering dept, university of arizona. Dec 31, 2016 this is very useful to about optical fiber.
Ftth fully abbreviated as fiber to the home can be defined as the technology that delivers the communication signal through an optical fiber. If so, share your ppt presentation slides online with. The fiber which are used for optical communication are wave guides made of transparent dielectrics. An optical fiber is a hair thin cylindrical fiber of glass or any transparent dielectric medium. Optical fiber optical fiber or fiber optic refers to the medium and the technology associated with the transmission of information as light pulses along a glass or plastic strand or fiber. Describe how light is guided through optical fibers. The first transatlantic telephone cable with optical fibre in 1988. Ais alarm indication signal ap access point aps automatic protection switching apd avalanche photo diode. The basic law of light guidance is snells law figure 5. Optical sensors and their applications is the property of its rightful owner. This page contains optical fiber communication seminar and ppt with pdf report optical fiber communication seminar ppt with pdf report. Iit kanpur 8 introduction to optical networks a and b communicate with each other via switchrouter. The adobe flash plugin is needed to view this content.
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