Papers & References

High Closed Loop Correction Accuracy with a Liquid Crystal Wavefront Corrector

Discontinued Devices LC-R 2500 Spatial Light Modulators
Digital-/ Computer Holography/ CGH
Published on:
Authors: Cao Zhao-Liang, Mu Quan-Quan, Hu Li-Fa, Liu Yong-Gang, Peng Zeng-Hui, Xuan Li
Abstract:

“We investigate the accurate control of a liquid crystal wavefront corrector. First, the Gamma correction technique is adopted to amend the nonlinear phase modulation. Then, the control method and wavefront reconstruction are considered. Lastly, a closed loop correction experiment is carried out and a high correction accuracy is obtained with peak to valley (PV) of 0.08λ (λ=632.8nm), the wavefront phase rms 0.015λ, as well as the Strehl ratio of 0.99. The diffraction-limited resolution is achieved.”

Restricted Access

Publication: Chinese Physics Letters
Issue/Year: Chinese Physics Letters 2008, Volume 25, Issue 3: 989-992
DOI: 10.1088/0256-307X/25/3/050
Link: https://doi.org/10.1088/0256-307X/25/3/050
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