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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16 Both of these figures are for typical commercial - grade silica fibers . The
losses of multimode fibers are generally higher than those of single - mode fibers
. This is a result of higher dopant concentrations and the accompanying larger ...
Typical mode - field diameters are 9 . 5 um and core - tocladding index
differences are around 0 . 37 percent . In depressed - cladding fibers the cladding
portion next to the core has a lower index than the outer cladding region . Mode -
A typical radius for this loop is 30 mm . ... method , the logarithmic ratio R ( a )
between the two transmitted powers Pi ( ) and P2 ( a ) is calculated as R ( 1 ) = 10
log / P1 ( 1 ) ] R ( ) = 10 108 P2 ( 0 ) ] ( 3 - 52 ) Figure 3 - 25 gives a typical curve
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
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