Flat-topped broadband rugate filters

被引：18
|
作者：
Imenes, Anne G. [1 ]
McKenzie, David R. [1 ]
机构：
[1] Univ Sydney, Sch Phys A28, Sydney, NSW 2006, Australia
来源：
APPLIED OPTICS | 2006年 / 45卷 / 30期
关键词：
D O I：
10.1364/AO.45.007841
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A method of creating rugate interference filters that have flat-topped reflectance across an extended spectral region is presented. The method applies known relations from the classical coupled wave theory to develop a set of equations that gives the spatial frequency distribution of rugate cycles to achieve constant reflectance across a given spectral region. Two examples of the application of this method are discussed: a highly reflective coating for eye protection against harmful laser radiation incident from normal to 45 degrees, and a spectral beam splitter for efficient solar power conversion. (c) 2006 Optical Society of America.
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页码：7841 / 7850
页数：10
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