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Research on Phase Detection of Liquid Crystal Optical Device

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DOI: 10.4236/jamp.2014.212127    3,032 Downloads   3,377 Views  

ABSTRACT

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 phase- shifting 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 phase- shifting interferometer technology.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Shi, M. , Yang, R. , Yang, C. , Ao, M. and Dong, H. (2014) Research on Phase Detection of Liquid Crystal Optical Device. Journal of Applied Mathematics and Physics, 2, 1099-1104. doi: 10.4236/jamp.2014.212127.

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