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Axial electromagnetic wave propagation in inhomogeneous dielectrics

✍ Scribed by M.W. McCall

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
805 KB
Volume
34
Category
Article
ISSN
0895-7177

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✦ Synopsis

We review the mathematical description of axial propagation in inhomogeneous dielectrics, focusing on two canonical examples: scalar Bragg gratings and thin film helicoidal bianisotropic media (TFHBM). Coupled wave analysis is reviewed for the former, and exact methods based on rotational transforms are discussed for the latter. There are many similarities between the physical descriptions that axe emphasised in reviewing the modelling techniques, although the transform which allows the TFHBM case to be solved exactly is shown to be inapplicable in the scalar case. (~) 2001 Elsevier Science Ltd. All rights reserved.

Keywords--Bragg gratings, Coupled wave theory, Circular Bragg phenomenon, thin film helicoidal bianisotropic media, Chiral media.

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