Measurement of mid-frequency wavefront error for large optics with ptychographical iterative engine

Xuejie Zhang; Bei Cheng; Weixing Shen; Mingying Sun; Xingcheng Pan; Zhaoyang Jiao; Ping Shao; Jianqiang Zhu

doi:10.1117/12.2523995

26 April 2019 Measurement of mid-frequency wavefront error for large optics with ptychographical iterative engine

Xuejie Zhang, Bei Cheng, Weixing Shen, Mingying Sun, Xingcheng Pan, Zhaoyang Jiao, Ping Shao, Jianqiang Zhu

Proceedings Volume 11033, High-Power, High-Energy, and High-Intensity Laser Technology IV; 110330B (2019) https://doi.org/10.1117/12.2523995
Event: SPIE Optics + Optoelectronics, 2019, Prague, Czech Republic

Abstract

In high power laser system, the wavefront quality of large optic elements in the mid-frequency region plays a critical role in the system performance and safe operation. A simple and efficient measurement method for mid-frequency wavefront error is used, which employs the extended ptychographical iterative engine algorithm and has simple structure, low environment requirement and flexible adjustable frequency ranges. This method has been successfully implemented for the wedge focused lens to achieve accurate mid-frequency measurement. Further it can be extended to a wide range of large optical components, especially for which the wavefronts are not easy to be measured using interferometers.

Conference Presentation

Citation Download Citation

Xuejie Zhang, Bei Cheng, Weixing Shen, Mingying Sun, Xingcheng Pan, Zhaoyang Jiao, Ping Shao, and Jianqiang Zhu "Measurement of mid-frequency wavefront error for large optics with ptychographical iterative engine", Proc. SPIE 11033, High-Power, High-Energy, and High-Intensity Laser Technology IV, 110330B (26 April 2019); https://doi.org/10.1117/12.2523995

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