Phase retrieval in lens-based Fresnel wave propagation model

Hong Cheng; Sui Wei; Wei Zhang; Cheng Zhang

doi:10.1117/1.OE.52.7.074102

5 July 2013 Phase retrieval in lens-based Fresnel wave propagation model

Hong Cheng, Sui Wei, Wei Zhang, Cheng Zhang

Author Affiliations +

Optical Engineering, Vol. 52, Issue 7, 074102 (July 2013). https://doi.org/10.1117/1.OE.52.7.074102

Abstract

The goal of phase retrieval is to extract the phase of an optical wave field from intensity measurements. The transport-of-intensity equation (TIE)-based method is a popular deterministic solution and has been applied in various fields such as optical microscopy, electron microscopy, and x-ray imaging. For macro-imaging, a camera is often used to capture the images, and thus the phase modulation of the lens should be considered. A new formulation is proposed to extend TIE for phase retrieval in a lens-based wave propagation model. To obtain the defocus step, a data-collection-reading device is designed by equipping a camera with a micrometer caliper. Simulation and real experiments are conducted to test the proposed method.

Citation Download Citation

Hong Cheng, Sui Wei, Wei Zhang, and Cheng Zhang "Phase retrieval in lens-based Fresnel wave propagation model," Optical Engineering 52(7), 074102 (5 July 2013). https://doi.org/10.1117/1.OE.52.7.074102

Published: 5 July 2013

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