INFRARED ABSORBER FOR FERROELECTRIC DETECTORS

被引:35
作者
BLY, VT
COX, JT
机构
[1] NIGHT VIS & ELECTROOPT DIRECTORATE, FT BELVOIR, VA 22060 USA
[2] QUESTECH INC, FALLS CHURCH, VA 22043 USA
来源
APPLIED OPTICS | 1994年 / 33卷 / 01期
关键词
ABSORBER; INFRARED; DETECTOR; THIN FILMS; FERROELECTRIC;
D O I
10.1364/AO.33.000026
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A thin-film, metal-dielectric coating is described that can be used as a nearly ideal IR absorber for ferroelectric and related IR detectors. This coating can provide an absorption of greater than 98% for IR wavelengths over a two-to-one spectral band. The theory and optical design are presented along with measured data for several experimental absorbers. The agreement between theory and experiment is excellent.
引用
收藏
页码:26 / 30
页数:5
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