Interferometric evaluation of angular displacements using phase retrieval

被引：22
作者：
Almoro, Percival F. [1 ]
Pedrini, Giancarlo [2 ]
Anand, Arun [3 ]
Osten, Wolfgang [2 ]
Hanson, Steen G. [1 ]
机构：
[1] Danish Tech Univ, Dept Photon Engn, DTU Foton, DK-4000 Roskilde, Denmark
[2] Univ Stuttgart, Inst Tech Opt, D-70569 Stuttgart, Germany
[3] Maharaja Sayajirao Univ Baroda, Fac Technol & Engn, Dept Appl Phys, Vadodara 390001, India
来源：
OPTICS LETTERS | 2008年 / 33卷 / 18期
关键词：
D O I：
10.1364/OL.33.002041
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Phase retrieval is carried out using sequential intensity measurements of a volume speckle field and a wave propagation equation. Retrieved phases and phase subtraction facilitate the analysis of wavefronts before and after undergoing a small rotation. Angular displacement between incident planar wavefronts is determined from the unwrapped phase difference, phase diffuser aperture diameter, and the light source wavelength. Numerical simulations confirm the experimental results. (C) 2008 Optical Society of America
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收藏
页码：2041 / 2043
页数：3
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