A method for calibrating the position error of phase retrieval with transverse translation diversity in optical wavefront measurement

被引：0

作者：

Xie, Chao ^{[1
]}

Li, Shengyi ^{[1
]}

Chen, Shanyong ^{[1
]}

机构：

[1] Natl Univ Def Technol, Coll Mechatron & Automat, Changsha 410073, Hunan, Peoples R China

来源：

OPTIK | 2013年 / 124卷 / 21期

关键词：

Position error; Phase retrieval; Least square; DIFFRACTION PLANE PICTURES; ALGORITHM; ILLUMINATION; MICROSCOPY; IMAGE;

D O I：

10.1016/j.ijleo.2013.03.062

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a method for calibrating the position error of phase retrieval with transverse translation diversity in optical wavefront in situation where the position error sharply influences algorithm precision. This method involves testifying that the essence of the position error in phase retrieval is the translation in frequency domain and the minimum of iterative error against position error reaches when there is no position error. Then the least square method is used for fitting the relationship between the iterative error and the assumed position error in polynomial function. The computer simulations used to prove the validity of this method are described. The results indicated that this method can calibrate the position error to approximately 1/500 mm which nearly has no influence on the phase retrieval. (C) 2013 Elsevier GmbH. All rights reserved.

引用

页码：5019 / 5024

页数：6

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