Optical fields in a multilayered microsphere with a quasiperiodic spherical stack

被引：8

作者：

Burlak, Gennadiy N. ^{[1
]}

Diaz-de-Anda, A. ^{[1
]}

机构：

[1] Autonomous State Univ Morelos, Ctr Res Engn & Appl Sci, Cuernavaca 62210, Morelos, Mexico

来源：

OPTICS COMMUNICATIONS | 2008年 / 281卷 / 01期

关键词：

coated microsphere; quasiperiodic multilayered stack; fibonacci layers; numerical calculations;

D O I：

10.1016/j.optcom.2007.09.026

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We studied the frequency spectrum of photons in a multilayered microsphere coated by a quasiperiodic (Fibonacci) dielectric stack numerically. We found that the transmittancy spectrum of such a stack consists of quasiband gaps and narrow resonances caused by re-reflection of optical waves. When the number (Fibonacci order) of layers increases, the band gaps and resonances split, and the structure of the frequency spectrum acquires a fractal form. We found the self-similarity of the frequency spectrum and evaluated the fractal dimension both for lossless and dissipative cases. The influence of a weak random deviation of spherical layers width is also discussed. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：181 / 189

页数：9

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