干涉测量
相(物质)
衍射
物理
光学
数学
量子力学
作者
Lutong Cai,Q. Liu,Xin Yang
出处
期刊:Optics Letters
[The Optical Society]
日期:2004-01-15
卷期号:29 (2): 183-183
被引量:144
摘要
A general method of extracting the arbitrary unknown and unequal phase steps in phase-shift interferometry from interferograms recorded on the diffraction field of an object and then reconstructing the object wave front digitally with our derived formulas is proposed. The phase steps are first calculated based on the statistical nature of the diffraction field and are further improved by an iterative approach. This method is simple, highly accurate, and usable for any frame number N (N > or = 3) and for both smooth and diffusing objects, as is verified by a series of computer simulations.
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