Birefringent omnidirectional reflector

被引：52

作者：

Kaminska, K ^{[1
]}

Robbie, K ^{[1
]}

机构：

[1] Queens Univ, Dept Phys, Kingston, ON K7L 3N6, Canada

来源：

APPLIED OPTICS | 2004年 / 43卷 / 07期

关键词：

D O I：

10.1364/AO.43.001570

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Anisotropic optical coatings offer unique polarizing properties, unmatched by conventional isotropic devices. Here we demonstrate the fabrication of a birefringent omnidirectional reflector, a type of photonic crystal, which exhibits complete reflection of radiation at 1.1 mum for all incidence angles and polarizations. The thin-film device was deposited from electron-beam evaporated silicon, with refractive-index variation arising from atomic-scale porosity created with glancing-angle deposition. Birefringence was found to enhance the performance of the device compared with its isotropic counterpart by enlarging the photonic bandgap region of omnidirectional reflection. (C) 2004 Optical Society of America.

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收藏

页码：1570 / 1576

页数：7

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