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11 March 2015 Halo-free quantitative phase imaging with partially coherent light
Tan H. Nguyen, Hassaan Majeed, Christopher A. Edwards, Minh N. Do, Lynford L. Goddard, Gabriel Popescu
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Proceedings Volume 9336, Quantitative Phase Imaging; 93360N (2015) https://doi.org/10.1117/12.2080358
Event: SPIE BiOS, 2015, San Francisco, California, United States
Abstract
We provide a quantitative model for image formation in common-path QPI systems under partially coherent illumination. Our model is capable of explaining the phase reduction phenomenon and halo effect in phase measurements. We further show how to fix these phenomena with a novel iterative post-processing algorithm. Halo-free and correct phase images of nanopillars and live cells are used to demonstrate the validity of our method.
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Tan H. Nguyen, Hassaan Majeed, Christopher A. Edwards, Minh N. Do, Lynford L. Goddard, and Gabriel Popescu "Halo-free quantitative phase imaging with partially coherent light", Proc. SPIE 9336, Quantitative Phase Imaging, 93360N (11 March 2015); https://doi.org/10.1117/12.2080358
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KEYWORDS
Phase imaging
Phase measurement
Microscopy
Blood
Systems modeling
Computer engineering
Diffraction
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