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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3.1 ATTENUATION Attenuation of a light signal as it propagates along a fiber is
an important consideration in the design of an optical communication system,
since it plays a major role in determining the maximum transmission distance ...
Example functions include single-channel or multichannel power meter, ASE
broadband source, tunable-laser source, variable attenuator, optical spectrum
analyzer, and PMD analyzer. 13.3 ATTENUATION MEASUREMENTS
Attenuation of ...
In this case, one commonly uses an insertion-loss technique.25 This is less
accurate than the cutback method, but is intended for field measurements to give
the total attenuation of a cable assembly in decibels. The basic setup is shown in
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
12 other sections not shown