Zonal wave-front estimation from phase derivative measurements on unconnected domain

Kewei E.; Jianke Zhao; Mengyang Li; Xun Xue; Jing Li; Kun Li; Shangkuo Liu; Zhengfeng Wang; Yan Zhou

doi:10.1117/12.2521995

24 January 2019 Zonal wave-front estimation from phase derivative measurements on unconnected domain

Kewei E., Jianke Zhao, Mengyang Li, Xun Xue, Jing Li, Kun Li, Shangkuo Liu, Zhengfeng Wang, Yan Zhou

Proceedings Volume 11052, Third International Conference on Photonics and Optical Engineering; 1105214 (2019) https://doi.org/10.1117/12.2521995
Event: The International Conference on Photonics and Optical Engineering, 2018, Xi'an, China

Abstract

For a wavefront tested by Shack-hartmann wavefront sensor, the zonal integration method is often chosen by researchers to solve the reconstruction problem. But it has shown an unacceptable result when the phase derivative data is distributed on an unconnected domain, the obtained wavefront will contain different piston error on each subdomain. Therefore, a new zonal wavefront estimation algorithm is proposed to deal with this drawback, which uses a simultaneous fit method to correct piston error of each subdomain. The validity of the algorithm is verified by a numerical simulation and experimental results.

Citation Download Citation

Kewei E., Jianke Zhao, Mengyang Li, Xun Xue, Jing Li, Kun Li, Shangkuo Liu, Zhengfeng Wang, and Yan Zhou "Zonal wave-front estimation from phase derivative measurements on unconnected domain", Proc. SPIE 11052, Third International Conference on Photonics and Optical Engineering, 1105214 (24 January 2019); https://doi.org/10.1117/12.2521995

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