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Proceedings Paper

Extended synthetic wavelength phase imaging by multiwavelength digital holography
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Paper Abstract

We present a technique of visible spectrum quantitative phase imaging with ten millimeter range without phase ambiguity while achieving better than ten micrometer precision. A suitable synthetic wavelength for absolute phase measurement, without unwrapping, is implemented by two-wavelength digital holography. This results in amplified phase noise which is then reduced by an iterative optical and algorithm based process involving one or two additional source wavelengths. We demonstrate that these source wavelengths can be acquired from a single laser diode source by realizing the wavelength output response to fine temperature control.

Paper Details

Date Published: 9 March 2016
PDF: 5 pages
Proc. SPIE 9718, Quantitative Phase Imaging II, 97182Q (9 March 2016); doi: 10.1117/12.2216880
Show Author Affiliations
David C. Clark, Univ. of South Florida (United States)
Myung K. Kim, Univ. of South Florida (United States)


Published in SPIE Proceedings Vol. 9718:
Quantitative Phase Imaging II
Gabriel Popescu; YongKeun Park, Editor(s)

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