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Proceedings Paper

Halo-free quantitative phase imaging with partially coherent light
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Paper 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.

Paper Details

Date Published: 11 March 2015
PDF: 5 pages
Proc. SPIE 9336, Quantitative Phase Imaging, 93360N (11 March 2015); doi: 10.1117/12.2080358
Show Author Affiliations
Tan H. Nguyen, Univ. of Illinois at Urbana-Champaign (United States)
Hassaan Majeed, Univ. of Illinois at Urbana-Champaign (United States)
Christopher A. Edwards, Univ. of Illinois at Urbana-Champaign (United States)
Minh N. Do, Univ. of Illinois at Urbana-Champaign (United States)
Lynford L. Goddard, Univ. of Illinois at Urbana-Champaign (United States)
Gabriel Popescu, Univ. of Illinois at Urbana-Champaign (United States)


Published in SPIE Proceedings Vol. 9336:
Quantitative Phase Imaging
Gabriel Popescu; YongKeun Park, Editor(s)

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