Adaptive phase-distortion correction based on parallel gradient-descent optimization

被引：302
作者：
Vorontsov, MA [1 ]
Carhart, GW [1 ]
Ricklin, JC [1 ]
机构：
[1] USA, RES LAB, ADELPHI, MD 20823 USA
来源：
OPTICS LETTERS | 1997年 / 22卷 / 12期
关键词：
D O I：
10.1364/OL.22.000907
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We describe an adaptive wave-front control technique based on a parallel stochastic perturbation method that can be applied to a general class of adaptive-optical system. The efficiency of this approach is analyzed numerically and experimentally by use of a white-light adaptive-imaging system with an extended source. To create and compensate for static phase distortions, we use 127-element liquid-crystal phase modulators. Results demonstrate that adaptive wave-front correction by a parallel-perturbation technique can significantly improve image quality. (C) 1997 Optical Society of America.
引用
收藏
页码：907 / 909
页数：3
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