Optical coatings with an integral FTIR air layer

被引：8

作者：

Li, Li ^{[1
]}

Dobrowolski, J. A. ^{[1
]}

机构：

[1] Natl Res Council Canada, Inst Microstruct Sci, Ottawa, ON K1A 0R6, Canada

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 04期

关键词：

POLARIZING BEAM SPLITTER; DESIGN; ANGLE;

D O I：

10.1364/OE.18.003784

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The use of solid frustrated total internal reflection (FTIR) layers to control the polarization effects in optical coatings usually results in large substrate sizes and complicated designs. To overcome this problem, it is proposed to incorporate an air FTIR layer into the multilayer thin film coatings. The low refractive index of air not only helps to reduce the substrate sizes, but also simplifies coating designs or improves the performance. The principle and layer structures of the proposed multilayers are described. Examples of polarizing-and non-polarizing beam-splitters for the infrared spectral region are given. Some practical manufacturing issues are also discussed. (C)2010 Optical Society of America

引用

页码：3784 / 3792

页数：9

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