Real-time phase-step estimation in phase-shifting interferometry

被引：3
|
作者：
Langoju, Rajesh [1 ]
Patil, Abhijit [1 ]
Rastogi, Pramod [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, Appl Comp & Mech Lab, CH-1015 Lausanne, Switzerland
来源：
OPTICAL ENGINEERING | 2007年 / 46卷 / 03期
关键词：
interferometry; phase measurement; holography;
D O I：
10.1117/1.2715444
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present a simple and effective method for estimating arbitrary phase steps in the presence of noise in phase-shifting interferometry. The method is based on the linear prediction property of the sinusoids. Simulation and experimental results obtained from a holographic interferometry prove the efficiency and feasibility of the proposed method. (C) 2007 Society of Photo-Optical Instrumentation Engineers.
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收藏
页数：5
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