Phase recovery based on support constraint and random binary amplitude modulation ptychography principle

Chao Yang; Haifeng Sun; Hui Pang; Xianchang Zhu; Wei Yan; Song Hu

doi:10.1117/12.3008097

18 December 2023 Phase recovery based on support constraint and random binary amplitude modulation ptychography principle

Chao Yang, Haifeng Sun, Hui Pang, Xianchang Zhu, Wei Yan, Song Hu

Author Affiliations +

Proceedings Volume 12967, AOPC 2023: Computing Imaging Technology; 129670F (2023) https://doi.org/10.1117/12.3008097
Event: Applied Optics and Photonics China 2023 (AOPC2023), 2023, Beijing, China

Abstract

This article simulates a study on a phase recovery technique that combines triangular aperture illumination as a supporting constraint and partially overlapped random binary amplitude modulation. Inspired by the concept of ptychography, a random binary amplitude mask is designed with partially transparent regions that overlap each other randomly. The overlapping regions of the amplitude modulation mask impose a strong constraint on the coherence of the light field, similar to the overlap constraint in ptychography. Moreover, the redundant information brought by the overlapping binary masks can improve the reconstruction accuracy, and the triangular aperture constraint enables faster convergence in the method. Compared with the original binary amplitude modulation method, this constraint leads to higher convergence accuracy and speed in the iterative algorithm.

Citation Download Citation

Chao Yang, Haifeng Sun, Hui Pang, Xianchang Zhu, Wei Yan, and Song Hu "Phase recovery based on support constraint and random binary amplitude modulation ptychography principle", Proc. SPIE 12967, AOPC 2023: Computing Imaging Technology, 129670F (18 December 2023); https://doi.org/10.1117/12.3008097

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