An interferometric wavefront sensor for high sensitivity, low amplitude measurements

被引：3
|
作者：
Bharmal, Nazim A. [1 ]
Myers, Richard M. [1 ]
Basden, Alastair G. [1 ]
Reeves, Andrew P. [1 ]
机构：
[1] Sci Labs, Dept Phys, Ctr Adv Instrumentat, Durham DH3 1LE, England
来源：
ADAPTIVE OPTICS SYSTEMS III | 2012年 / 8447卷
关键词：
WFS; Wavefront-sensor; Shack-Hartmann; interferometry; XAO; ADAPTIVE OPTICS;
D O I：
10.1117/12.925988
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present a wavefront sensor design for the purpose of measuring post-AO corrected light, especially in the cases of high-Strehl and when using natural guide stars. It is inspired by holographic design principles and offers approximately two orders of magnitude increase in sensitivity over a conventional Shack-Hartmann design. The theoretical design and that of a laboratory prototype are presented, together with simulation results for a case-study of sinusoidal phase and the corresponding results from a laboratory experiment.
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页数：13
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