Optical fiber communications
The third edition of this popular text and reference book presents the fundamental principles for understanding and applying optical fiber technology to sophisticated modern telecommunication systems.
Optical-fiber-based telecommunication networks have become a major information-transmission-system, with high capacity links encircling the globe in both terrestrial and undersea installations. Numerous passive and active optical devices within these links perform complex transmission and networking functions in the optical domain, such as signal amplification, restoration, routing, and switching. Along with the need to understand the functions of these devices comes the necessity to measure both component and network performance, and to model and stimulate the complex behavior of reliable high-capacity networks.
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CHAPTER 5 POWER LAUNCHING AND COUPLING In implementing an optical
fiber link, two of the major system questions are how to launch optical power into
a particular fiber from some type of luminescent source and how to couple ...
Care must also be exercised when measuring the coupling efficiency between
the fiber flylead and the cabled fiber, since the source can launch a significant
amount of optical power into the cladding of the flylead. Although this power may
A certain amount of optical power (ranging from 0. 1 to 1 dB) is lost at this junction
, the exact loss depending on the connecting mechanism; this is discussed in Sec
. 5.3. In addition to the coupling loss, an excess power loss will occur in the first ...
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
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