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

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, Hong Cheng, Sui Wei, Sui Wei, Wei Zhang, Wei Zhang, Cheng Zhang, 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 . Submission:

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