Thin-film spatial filters

被引：0
|
作者：
Moreno, I [1 ]
Araiza, JJ
Avendano-Alejo, M
机构：
[1] Univ Autonoma Zacatecas, Unidad Acad Fis, Zacatecas 98060, Mexico
[2] Univ Nacl Autonoma Mexico, Ctr Ciencias Aplicadas & Desarrollo Tecnol, Lab Opt Aplicada, Mexico City 04510, DF, Mexico
来源：
OPTICS LETTERS | 2005年 / 30卷 / 08期
关键词：
D O I：
10.1364/OL.30.000914
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A thin-film optical filter used as a one-dimensional spatial filter is presented, and its design is briefly examined. The filter consists of a stack of quarter-wave dielectric layers upon a right-angle prism that selectively cancel a reflected or transmitted plane-wave front for various angles of incidence. Transmittance and reflectance are low-pass functions or high-pass functions of the angle of incidence with a high degree of steepness. In combination, these filters exhibit bandpass transmittance with a variable bandwidth. Applications to detection of extrasolar planets are briefly discussed. (c) 2005 Optical Society of America.
引用
收藏
页码：914 / 916
页数：3
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