Mr. Zhonghua Wu Profile

Zhonghua Wu

at NIAOT

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Publications (2)

Proceedings Article | 6 August 2014 Paper

A coronagraph based on two spatial light modulators for active amplitude apodizing and phase corrections

Jiangpei Dou, Deqing Ren, Yongtian Zhu, Gang Zhao, Xi Zhang, Chengchao Liu, Zhen Wu, Rui Chen, Feng Yang, Chao Yang

Proceedings Volume 9147, 91478O (2014) https://doi.org/10.1117/12.2055327

KEYWORDS: Spatial light modulators, Coronagraphy, Point spread functions, Exoplanets, Imaging systems, Telescopes, Phase shift keying, Apodization, Calibration, Modulation

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Proceedings Article | 14 October 2010 Paper

Research on technique of wavefront retrieval based on Foucault test

Lvjun Yuan, Zhonghua Wu

Proceedings Volume 7654, 765402 (2010) https://doi.org/10.1117/12.866286

KEYWORDS: Wavefronts, Mirrors, Interferometers, Surface finishing, Optical fabrication, Turbulence, Polishing, Charge-coupled devices, Aspheric lenses, Astronomical imaging

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