ENSQUARED POWER FOR OBSCURED CIRCULAR PUPILS WITH OFF-CENTER IMAGING

被引:9
作者
BEYER, LM [1 ]
COBB, SH [1 ]
CLUNE, LC [1 ]
机构
[1] SPARTA SYST INC,HUNTSVILLE,AL 35805
来源
APPLIED OPTICS | 1991年 / 30卷 / 25期
关键词
DIFFRACTION; ENSQUARED POWER; OBSCURED CIRCULAR PUPILS; SIGNAL-TO-NOISE RATIO;
D O I
10.1364/AO.30.003569
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Power incident upon square detectors in the focal plane of diffraction-limited optical systems with obscured circular pupils is computed as a function of the line-of-sight position on the detector. The results are applied to an analysis of the dependence of the signal-to-noise ratio on detector size for obscuration ratios of 0, 0.25, and 0.5 and for line-of-sight position on the detector.
引用
收藏
页码:3569 / 3574
页数:6
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