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Compact single-shot radial shearing interferometer with random phase shift
Gu, Naiting1,2; Yao, Benxi1,2,3; Huang, Linhai1,2; Rao, Changhui1,2
2017
Source PublicationOptics Letters
ISSN0146-9592
Volume42Issue:18Pages:3622-3625
AbstractWe propose a compact phase-shifting radial shearing interferometer based on a pixelatedmicro-retarderarray (MRA). The MRA is made of a thin birefringence plate, and iscomposedof identical units that have pixels of four different thicknesses. We demonstratethatpixelated phase delay between two shearing beams can be introduced by applyingthefast axis of birefringence plate in the horizontal or vertical orientation.Wealso present an approach to extract the wavefront under test with random phaseshift,which dramatically reduces the machining difficulty of the MRA. The feasibilityandaccuracy of the proposed method are further validated through our numerical analysis.Withthe advantages of vibration immunity, simultaneous phase stepping, and broadspectralrange, the presented interferometer is expected to be of potential use inavariety of applications, such as the detection of moving objects and dynamic processes. © 2017 Optical Society of America.
KeywordBirefringence - Interferometers - Numerical methods - Shearing
Indexed BySCI ; Ei
Language英语
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/8879
Collection自适应光学技术研究室(八室)
Affiliation1.Institute of Optics and Electronics, Chinese Academy of Sciences, P.O. Box 350, Chengdu; 610209, China;
2.Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu; 610209, China;
3.University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing; 100049, China
Recommended Citation
GB/T 7714
Gu, Naiting,Yao, Benxi,Huang, Linhai,et al. Compact single-shot radial shearing interferometer with random phase shift[J]. Optics Letters,2017,42(18):3622-3625.
APA Gu, Naiting,Yao, Benxi,Huang, Linhai,&Rao, Changhui.(2017).Compact single-shot radial shearing interferometer with random phase shift.Optics Letters,42(18),3622-3625.
MLA Gu, Naiting,et al."Compact single-shot radial shearing interferometer with random phase shift".Optics Letters 42.18(2017):3622-3625.
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