Wave-Front Measurement Approach of Liquid-Crystal Blazed Gratings

Chunyan, 郑春艳 Zheng; Ruofu, 杨若夫 Yang; Lin, 徐林 Xu; Lingjiang, 孔令讲 Kong; Mingwu, 敖明武 Ao; Ping, 杨平 Yang; Zi-qiang, 黄子强 Huang; Jian, 吴健 Wu

doi:10.3788/cjl201138.1008004b

中国激光

2011

DOI: 10.3788/cjl201138.1008004b

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Wave-Front Measurement Approach of Liquid-Crystal Blazed Gratings

郑春艳 Zheng Chunyan¹,

杨若夫 Yang Ruofu²,

徐林 Xu Lin³

et al.

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2014

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Research on Phase Detection of Liquid Crystal Optical Device

Shi¹,

Yang²,

Yang³

et al. 2014

JAMP

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The technology for phase detection of liquid crystal optical device is a difficult research in current domestic and overseas. However, for the existing liquid crystal optical device, aiming at the poor anti-vibration capability and poor versatile of phase detection, the complexity of phase retrieval algorithm, we propose a new phase measurement principle and experimental methods of liquid crystal optical device. It is a phase measurement method based on the combination of phaseshifting interferometer and phase conjugation technology. The deflection characteristics of the liquid crystal device means the device can implement phase modulation to only one direction of polarized light while is completely transparent to orthogonal polarized light. We put forward the phase shift of the orthogonal polarization phase shift interferometer method, using phase shifting interference as well as the combination of phase conjugate means to achieve its phase measurement. So we can retrieves devices modulation phase simply and efficiently combines with phaseshifting interferometer technology.

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Research on Phase Detection of Liquid Crystal Optical Device

Shi¹,

Yang²,

Yang³

et al. 2014

JAMP

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show abstract

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Wave-Front Measurement Approach of Liquid-Crystal Blazed Gratings

Cited by 1 publication

References 0 publications

Research on Phase Detection of Liquid Crystal Optical Device

Research on Phase Detection of Liquid Crystal Optical Device

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