Abstract

Multi-filter phase imaging with partially coherent light (MFPI-PC) is a promising microscopic quantitative phase imaging (QPI) method that measures the phase of a transparent object. In the present work, a weighted-least-squares version is developed and applied to the important case of annular illumination. The resulting improved algorithms have largely solved the noise magnification problem associated with the original MFPI-PC in annular illumination. Simulation and microlens experiments are used to validate the new QPI method for the case of annular illumination.

© 2018 Optical Society of America

Quantitative phase imaging method based on an analytical nonparaxial partially coherent phase optical transfer function

Yijun Bao and Thomas K. Gaylord
J. Opt. Soc. Am. A 33(11) 2125-2136 (2016)

Annular illumination in 2D quantitative phase imaging: a systematic evaluation

Pranav P. Kulkarni, Yijun Bao, and Thomas K. Gaylord
Appl. Opt. 61(12) 3409-3418 (2022)

Two improved defocus quantitative phase imaging methods: discussion

Yijun Bao and Thomas K. Gaylord
J. Opt. Soc. Am. A 36(12) 2104-2114 (2019)

Quantitative phase microscopy via optimized inversion of the phase optical transfer function

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Multifilter phase imaging with partially coherent light

Micah H. Jenkins, Joshua M. Long, and Thomas K. Gaylord
Appl. Opt. 53(16) D29-D39 (2014)