Statistical average method for phase extraction under two-step phase-shifting interferometry

Yuanyuan Xu; Yang Zou; Yu Liang; Shuangshuang Xue; Yawei Wang; Xinyu Qiu

doi:10.1117/12.2579721

7 October 2020 Statistical average method for phase extraction under two-step phase-shifting interferometry

Yuanyuan Xu, Yang Zou, Yu Liang, Shuangshuang Xue, Yawei Wang, Xinyu Qiu

Author Affiliations +

Proceedings Volume 11571, Optics Frontier Online 2020: Optics Imaging and Display; 115710E (2020) https://doi.org/10.1117/12.2579721
Event: Optics Frontiers Online 2020: Optics Imaging and Display (OFO-1), 2020, Shanghai, China

Abstract

Phase extraction is a key step in phase imaging. The accuracy and speed of phase recovery directly affect the quality and efficiency of phase imaging. In this paper, a statistical average method for phase retrieval is proposed by combining the two-step phase-shifting interference with the characteristics of diffractive phase field. The main operations of this method are subtraction and statistical average. The simulation results of a sphere show the feasibility and high accuracy of the method. And the simulation results of a red blood cell and a white blood cell discuss the application of this method in biological imaging.

Citation Download Citation

Yuanyuan Xu, Yang Zou, Yu Liang, Shuangshuang Xue, Yawei Wang, and Xinyu Qiu "Statistical average method for phase extraction under two-step phase-shifting interferometry", Proc. SPIE 11571, Optics Frontier Online 2020: Optics Imaging and Display, 115710E (7 October 2020); https://doi.org/10.1117/12.2579721

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