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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
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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.
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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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KEYWORDS
Phase measurement
Phase shifts
Modulation
Phase imaging
Phase interferometry
Blood
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