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Compact single-shot four-wavelength quantitative phase microscopy with polarization- and frequency-division demultiplexing

Authors
Tayebi, BehnamHan, Jae-HoSharif, FarnazJafarfard, Mohammad RezaKim, Dug Young
Issue Date
21-8월-2017
Publisher
OPTICAL SOC AMER
Citation
OPTICS EXPRESS, v.25, no.17, pp.20172 - 20182
Indexed
SCIE
SCOPUS
Journal Title
OPTICS EXPRESS
Volume
25
Number
17
Start Page
20172
End Page
20182
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/82536
DOI
10.1364/OE.25.020172
ISSN
1094-4087
Abstract
We present a novel single-shot four-wavelength quantitative phase microscopy (FW-QPM). Four lasers operating at different wavelengths are multiplexed with a pair of dichroic mirrors and a polarization beam splitter in a three-mirror quasi-common-path interferometer. After a single-shot interference pattern is obtained with a monochrome camera, four holograms of different wavelengths were demultiplexed from it in the frequency domain with polarization-and frequency-division multiplexing. Polarization-division demultiplexing scheme uses polarization dependent visibility changes in an interference pattern, and it plays a critical role in making only two interference patterns exist within a single quadrant in the frequency domain. We have used a single-mode optical fiber as a phase object sample and demonstrated that a measured single-shot interference pattern can be successfully demultiplexed into four different interferograms of different wavelengths with our proposed scheme. (C) 2017 Optical Society of America
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