Real-time optical aberration correction with a ferroelectric liquid-crystal spatial light modulator

被引：28
|
作者：
Birch, PM
Gourlay, J
Love, GD
Purvis, A
机构：
[1] Univ Durham, Dept Phys, Durham DH1 3LE, England
[2] Univ Durham, Sch Engn, Durham DH1 3LE, England
来源：
APPLIED OPTICS | 1998年 / 37卷 / 11期
关键词：
D O I：
10.1364/AO.37.002164
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Real-time correction of an optically aberrated wave front by use of a 10 x 10 ferroelectric liquid-crystal spatial light modulator as the correction device and a point-diffraction interferometer as the wave-front sensor is demonstrated. This type of interferometer requires no reference arm and so can be used, in theory, in an astronomical adaptive-optics system. We discuss some of the unusual features of the point-diffraction interferometer for wave-front sensing. (C) 1998 Optical Society of America.
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页码：2164 / 2169
页数：6
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