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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TE0 TE, TE2 Core «, Gadding «2 Cladding «2 | Exponential decay Exponential
decay Harmonic variation completely confined to the central dielectric slab (i.e.,
they do not go to zero at the guide-cladding interface), but, instead, they extend ...
approached, the field penetrates further into the cladding region and a greater
percentage of the energy travels in the cladding. At cutoff the field no longer
decays outside the core and the mode now becomes a fully radiating mode.
Matched-cladding fibers have a uniform refractive index throughout the cladding.
Typical mode-field diameters are 9.5 /xm and core-to- cladding index differences
are around 0.37 percent. In depressed-cladding fibers the cladding portion next ...
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
12 other sections not shown