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Fiber Optic Video Transmission
book

Fiber Optic Video Transmission

by David Goff
October 2013
Intermediate to advanced content levelIntermediate to advanced
400 pages
10h 16m
English
Routledge
Content preview from Fiber Optic Video Transmission

Chapter 16

Advanced Optical Components

 

Many fiber optic applications, such as long-haul DWDM systems, require amplification of the optical signal. In the past, this entailed using expensive electronic repeaters at intermediate points every 100 km. Today's modern long-haul DWDM systems use several advanced optical components to replace multiple repeaters with a single optical device. These optical devices, once only laboratory curiosities, now see widespread use in field deployments.

Erbium-doped Fiber Amplifiers

Researchers developed erbium-doped fiber amplifiers (EDFAs) to replace numerous electronic repeaters with fewer optical repeaters, overall reducing system cost and complexity. EDFAs, such as the one pictured in Figure 16.1, also allow ...

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Publisher Resources

ISBN: 9780240804880