Abstract

Multifilter phase imaging with partially coherent light (MFPI-PC) is a promising new quantitative phase imaging method. However, the existing MFPI-PC method is based on the paraxial approximation. In the present work, an analytical nonparaxial partially coherent phase optical transfer function is derived. This enables the MFPI-PC to be extended to the realistic nonparaxial case. Simulations over a wide range of test phase objects as well as experimental measurements on a microlens array verify higher levels of imaging accuracy compared to the paraxial method. Unlike the paraxial version, the nonparaxial MFPI-PC with obliquity factor correction exhibits no systematic error. In addition, due to its analytical expression, the increase in computation time compared to the paraxial version is negligible.

© 2016 Optical Society of America

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Corrections

Yijun Bao and Thomas K. Gaylord, "Quantitative phase imaging method based on an analytical nonparaxial partially coherent phase optical transfer function: erratum," J. Opt. Soc. Am. A 34, 1329-1329 (2017)
http://proxy.osapublishing.org/josaa/abstract.cfm?uri=josaa-34-8-1329

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