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Digital Processing by Le Nguyen Binh

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2

Optical Fibers: Guiding and Propagation Properties

2.1    Optical Fibers: Circular Optical Waveguides

2.1.1    General Aspects

Planar optical waveguides compose a guiding region, a slab imbedded between a substrate and a superstrate having identical or different refractive indices. The lightwaves are guided by the confinement of the lightwaves with oscillation solution. The number of oscillating solutions that satisfy the boundary constraints is the number of modes that can be guided. The guiding of lightwaves in an optical fiber is similar to that of the planar waveguide, except the lightwaves are guiding through a circular core embedded in circular cladding layer.

Within the context of this book, optical fibers would be most relevant ...

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