Quadriwave lateral shearing wavefront sensing based on a single phase continuous self-imaging grating

Xiuyu Yao; Ping Zhu; Dongjun Zhang; Youjian Yi; Haitao Kang; Miaoyan Tong; Xinglong Xie; Jianqiang Zhu

doi:10.1117/12.3038741

11 October 2024 Quadriwave lateral shearing wavefront sensing based on a single phase continuous self-imaging grating

Xiuyu Yao, Ping Zhu, Dongjun Zhang, Youjian Yi, Haitao Kang, Miaoyan Tong, Xinglong Xie, Jianqiang Zhu

Proceedings Volume 13287, Nineteenth National Conference on Laser Technology and Optoelectronics; 132870J (2024) https://doi.org/10.1117/12.3038741
Event: Nineteenth National Conference on Laser Technology and Optoelectronics, 2024, Shanghai, China

Abstract

Wavefront sensors represent a powerful technique for quantitative phase measurement. This paper presents a single-phase continuous self-imaging grating (SPCSIG) for quadriwave lateral shearing interferometry with high measurement accuracy and high adaptability. The SPCSIG is characterized by a single-stage phase structure with the phase distribution in each period encoded by the macro pixel, which achieves an approximate complex amplitude transmittance. In the simulation, the SPCSIG far field stray light is significantly suppressed. The near field interferograms propagation is stable, and the residuals are close to the theoretical limit. The method is expected to be used in the future such as precision optical metrology, X-ray wavefront sensing, or polymer gratings where hybrid gratings are not suitable.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Xiuyu Yao, Ping Zhu, Dongjun Zhang, Youjian Yi, Haitao Kang, Miaoyan Tong, Xinglong Xie, and Jianqiang Zhu "Quadriwave lateral shearing wavefront sensing based on a single phase continuous self-imaging grating", Proc. SPIE 13287, Nineteenth National Conference on Laser Technology and Optoelectronics, 132870J (11 October 2024); https://doi.org/10.1117/12.3038741

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KEYWORDS

Diffraction gratings

Transmittance

Wavefront sensors

Optical gratings

Interferograms

Quantization

Diffraction

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