Advanced iterative algorithm for randomly phase-shifted interferograms with intra- and inter-frame intensity variations

被引：61

作者：

Wang, Zhaoyang ^{[1
]}

Han, Bongtae

机构：

[1] Catholic Univ Amer, Dept Mech Engn, Washington, DC 20064 USA

[2] Univ Maryland, Dept Mech Engn, College Pk, MD 20742 USA

来源：

OPTICS AND LASERS IN ENGINEERING | 2007年 / 45卷 / 02期

关键词：

advanced iterative algorithm; phase shifting technique; random phase shifts; intensity variations;

D O I：

10.1016/j.optlaseng.2005.11.003

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The fundamental concept of the advanced iterative algorithm is reviewed and a detailed procedure for implementation is presented. Computer simulations are conducted to evaluate its performance for truly random phase-shifted interferograms with intra- and intern frame intensity variations. The algorithm is implemented for random phase shifts encountered during thermal warpage measurement of a microelectronics subassembly subjected to convective thermal loading. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：274 / 280

页数：7

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