Phenomenological theory of filtering by resonant dielectric gratings

被引：67

作者：

Fehrembach, AL ^{[1
]}

Maystre, D ^{[1
]}

Sentenac, A ^{[1
]}

机构：

[1] Fac Sci & Tech St Jerome, CNRS, UMR 6133, Inst Fresnel, F-13397 Marseille 20, France

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2002年 / 19卷 / 06期

关键词：

D O I：

10.1364/JOSAA.19.001136

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Using a phenomenological theory of diffraction gratings made by perturbing a planar waveguide allows us to deduce important properties of the sharp filtering phenomena generated by this kind of structure when the incident light excites a guided wave. It is shown that the resonance phenomenon occurring in these conditions acts on one of the two eigenvalues of the Hermitian reflection matrix only As a consequence, we deduce a mathematical expression of the reflectivity and demonstrate that high-efficiency filtering of unpolarized light requires the simultaneous excitation of two uncoupled guided waves. Numerical examples are given. (C) 2002 Optical Society of America.

引用

页码：1136 / 1144

页数：9

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