DEPOSITION AND CHARACTERIZATION OF FAR-INFRARED ABSORBING GOLD BLACK FILMS

被引:65
作者
ADVENA, DJ [1 ]
BLY, VT [1 ]
COX, JT [1 ]
机构
[1] QUESTECH INC, FALLS CHURCH, VA 22043 USA
来源
APPLIED OPTICS | 1993年 / 32卷 / 07期
关键词
GOLD BLACK; ABSORPTANCE; FAR INFRARED; OPTICAL;
D O I
10.1364/AO.32.001136
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A process is described for producing gold black films with high absorptance in the IR. The optical and electrical properties of these films have been studied with particular emphasis on the absorptance of films at wavelengths as long as 50 mum. A substantial decrease in absorptance near 50 mum has been observed for pure gold black films on aging in air. This degradation can be largely avoided by alloying the gold with a small percentage of copper during the deposition. Preliminary results on two methods for delineating gold black films are also presented.
引用
收藏
页码:1136 / 1144
页数:9
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