Hartmann wave-front scanner

被引：24

作者：

Laude, V ^{[1
]}

Olivier, S ^{[1
]}

Dirson, C ^{[1
]}

Huignard, JP ^{[1
]}

机构：

[1] Thomson CSF, Cent Rech Lab, F-91404 Orsay, France

来源：

OPTICS LETTERS | 1999年 / 24卷 / 24期

关键词：

D O I：

10.1364/OL.24.001796

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A wave-front sensor is described that uses a programmable moving aperture to scan an incoming wave front. The position of the diffraction spot is recorded behind an objective lens with a two-dimensional sensor and gives an estimate of the local slope at the aperture position. Then the wave front is reconstructed by processing of the dope data. The device is basically a programmable Hartmann wave-front sensor. Compared with a microlens Shack-Hartmann wave-front sensor, its much longer focal length provides higher resolution, although real-time operation is lost. A practical implementation of the new scanner with a liquid-crystal television as the programmable aperture is presented. (C) 1999 Optical Society of America OCIS codes: 010.7350, 120.5050, 230.6120.

引用

页码：1796 / 1798

页数：3

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