Omnidirectional reflection from Solc-type anisotropic periodic dielectric structures

被引:8
作者
Cojocaru, E [1 ]
机构
[1] Natl Inst Laser Plasma & Radiat Phys, Dept Lasers, R-76900 Bucharest, Romania
关键词
D O I
10.1364/AO.39.006441
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Recently it was shown theoretically [Opt. Commun. 174, 43 (2000)] that a Sole folded-type anisotropic dielectric structure under certain conditions exhibits omnidirectional reflection at any polarization over a wide spectral range. Here, omnidirectional reflection from Sole folded-type dielectric periodic structures is further analyzed. Transfer-matrix methodology is applied. Simple expressions are obtained for transfer matrices at interfaces and the unit cell translation matrix. Dispersion relations are determined. Numerical examples are shown comparatively for isotropic and Sole-type anisotropic periodic structures. The Sole-type structure has a wider band of omnidirectional reflection. The results demonstrate that anisotropic materials should be useful in photonic bandgap structures. (C) 2000 Optical Society of America OCIS codes: 230.4170, 260.1180, 260.1440, 260.5430, 310.6870, 350.2460.
引用
收藏
页码:6441 / 6447
页数:7
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