Study of light leakage induced by the elastic anisotropy of the nematic liquid crystal

Yong-chao, 王永超 Wang; Zhi-dong, 张志东 Zhang; Xuan, 周璇 Zhou

doi:10.3788/yjyxs20153006.0949

液晶与显示

2015

DOI: 10.3788/yjyxs20153006.0949

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Study of light leakage induced by the elastic anisotropy of the nematic liquid crystal

王永超 Wang Yong-chao¹,

张志东 Zhang Zhi-dong²,

周璇 Zhou Xuan³

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Configuration optimization of laser guide stars and wavefront correctors for multi-conjugation adaptive optics

et al. 2016

Chinese Phys. B

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Multi-conjugation adaptive optics (MCAOs) have been investigated and used in the large aperture optical telescopes for high-resolution imaging with large field of view (FOV). The atmospheric tomographic phase reconstruction and projection of three-dimensional turbulence volume onto wavefront correctors, such as deformable mirrors (DMs) or liquid crystal wavefront correctors (LCWCs), is a very important step in the data processing of an MCAO's controller. In this paper, a method according to the wavefront reconstruction performance of MCAO is presented to evaluate the optimized configuration of multi laser guide stars (LGSs) and the reasonable conjugation heights of LCWCs. Analytical formulations are derived for the different configurations and are used to generate optimized parameters for MCAO. Several examples are given to demonstrate our LGSs configuration optimization method. Compared with traditional methods, our method has minimum wavefront tomographic error, which will be helpful to get higher imaging resolution at large FOV in MCAO.

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Configuration optimization of laser guide stars and wavefront correctors for multi-conjugation adaptive optics

et al. 2016

Chinese Phys. B

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Study of light leakage induced by the elastic anisotropy of the nematic liquid crystal

Cited by 1 publication

References 0 publications

Configuration optimization of laser guide stars and wavefront correctors for multi-conjugation adaptive optics

Configuration optimization of laser guide stars and wavefront correctors for multi-conjugation adaptive optics

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