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横向剪切干涉的波前重构新方法

A new algorithm for phase retrieval by lateral shear interferometer

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摘要

在常规横向剪切干涉仪的基础上,利用波前周期延拓的假设,基于小波变换的方法实现了波前重构。这种波前复原实现了光滑波前的快速重构,并且能够较好地快速重构非模式波前。数值模拟表明,该方法对波前复原的精度优于常规多项式拟合方法。利用该方法在不均匀介质对波前的扰动的测量重构表明,重构波前比常规多项式拟合重构波前合理。

Abstract

On the assumption of wavefront prolongation,a new optical phase retrieval algorithm by conventional lateral shear interferometer with wavelet transform is introduced.With this method,the device remained the same,but the fast reconstruction of smooth wavefront as well as rough wavefront is realized.By computer simulation,its reconstruction precision is better than the polynomial fitting.In the measurement of inhomogeneous media,its result is reasonable.

Newport宣传-MKS新实验室计划
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中图分类号:O437

所属栏目:高功率激光与光学

基金项目:国防预研基金资助课题

收稿日期:2000-05-21

修改稿日期:2001-02-15

网络出版日期:2001-05-15

作者单位    点击查看

许晓军:国防科技大学理学院,湖南,长沙,410073
陆启生:国防科技大学理学院,湖南,长沙,410073
刘泽金:国防科技大学理学院,湖南,长沙,410073
舒柏宏:国防科技大学理学院,湖南,长沙,410073

备注:许晓军(1973-),男,讲师,博士,从事气动光学研究。

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引用该论文

许晓军,陆启生,刘泽金,舒柏宏. A new algorithm for phase retrieval by lateral shear interferometer[J]. High Power Laser and Particle Beams, 2001, 13(3): 261-266

许晓军,陆启生,刘泽金,舒柏宏. 横向剪切干涉的波前重构新方法[J]. 强激光与粒子束, 2001, 13(3): 261-266

被引情况

【1】刘天华,姜宗福,陈付幸,王云萍,刘泽金,赵伊君. 高能激光器气动窗口光束质量测量方法探讨. 红外与激光工程, 2002, 31(3): 261-266

【2】许晓军,闫宝珠,李文煜,姜宗福,陆启生. 模拟高能激光热晕流场的光学层析测量. 强激光与粒子束, 2004, 16(12): 1501-1505

【3】邵卫红,杨甬英,陈晓钰,刘东,沈亦兵. 点衍射干涉系统光学结构参数优化研究. 强激光与粒子束, 2014, 26(5): 51001--1

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