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One-dimensional photonic crystals of inhomogeneous thin films: band structure of rugate filters

✍ Scribed by F. Aguayo-Ríos; F. Villa-Villa; J.A. Gaspar-Armenta

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
944 KB
Volume
244
Category
Article
ISSN
0030-4018

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✦ Synopsis

The properties of one-dimensional photonic crystals of inhomogeneous thin films whose refractive index function is periodic are analyzed by using the formalism of equivalent layers. With this method it is possible to consider the so called rugate filters as single thin films with equivalent optical admittance and equivalent phase thickness functions, that provide information about their band structure, and conditions of existence of surface modes that appear when a finite rugate is in contact with any bulk media or other photonic crystal.

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