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Issue:
Stray radiaton analysis caused by interior heat radiation in infrared optical system
Author(s):
CHEN Yong-he
,
FU Yu-tian
,
SHEN Xue-min
Pages:
73
-
75,79
Year:
2006
Issue:
z1
Journal:
OPTICAL TECHNIQUE
Keyword:
热辐射
;
背景辐射
;
杂散辐射
;
热辐射抑制
;
红外光学系统
;
Abstract:
红外光学系统的内部构件由于呈现于光路之中,其表面热辐射将会通过光学系统到达探测像面而引起背景辐射噪声.本文利用LightTools分析软件对一套折反式红外光学系统内部机械构件的主要表面的热辐射进行了分析,得到了探测像面接收到的热辐射的量级.分析了三种不同的表面反射率的情况,能够用于指导如何进行表面处理和结构设计的改善.
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