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Single shot multiple phase retrieval in digital holographic interferometry using subspace processing

delete2018-12-01
delete7
PRE
AI
J
Jagadesh Ramaiah
G
Gannavarpu, Rajshekhar *
DOI:10.1016/j.optlaseng.2018.08.012delete
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摘要

摘要

En 中文
The article presents a method to estimate multiple phases from a single moire fringe pattern in digital holographic interferometry. The proposed method relies on analysing the holographic moire signal using subspace rotational invariance approach and offers feasibility for single shot multi-component estimation without multiple frames or spatial carrier and high performance against severe noise. Simulation and experimental results demonstrate the applicability of the proposed method.
Keyword:
Digital holographic interferometry
Fringe analysis
Optical metrology
Phase retrieval
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期刊

Optics and Lasers in Engineering 封面图
Optics and Lasers in Engineering
IF:
3.7
论文数:
7.3K
被引数:
1.7W

机构

I
indian institute of technology system (iit system)
学者数:
9.5W
论文数: 9.9W
被引数: 93
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