Single-camera polarization-sensitive full-field optical coherence tomography with polarization switch

Kwan Seob Park; Woo June Choi; Tae Joong Eom; Byeong Ha Lee

doi:10.1117/1.JBO.18.10.100504

28 October 2013 Single-camera polarization-sensitive full-field optical coherence tomography with polarization switch

Kwan Seob Park, Woo June Choi, Tae Joong Eom, Byeong Ha Lee

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Journal of Biomedical Optics, Vol. 18, Issue 10, 100504 (October 2013). https://doi.org/10.1117/1.JBO.18.10.100504

Abstract

We present a single-channel detection-based polarization-sensitive full-field optical coherence tomography (PS-FF-OCT) for simultaneous acquisition of high-resolution OCT and linear retardance images. A linearly polarized sub-10-fs laser was used as a broadband light source for the OCT system. A bi-stable polarization switching device, composed of a ferroelectric liquid crystal cell and an analyzer, was employed to get the horizontal and the vertical polarization components of a full-field interference signal. The time-switched two perpendicular interference signals were sequentially recorded by a single charge-coupled device camera, then processed to extract en-face functional images of a biological sample. The rat tail tendon was imaged ex vivo to confirm the imaging feasibility of the proposed system, which showed axial and transverse resolutions of 2 and 1.3 μm, respectively.

CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Kwan Seob Park, Woo June Choi, Tae Joong Eom, and Byeong Ha Lee "Single-camera polarization-sensitive full-field optical coherence tomography with polarization switch," Journal of Biomedical Optics 18(10), 100504 (28 October 2013). https://doi.org/10.1117/1.JBO.18.10.100504

Published: 28 October 2013

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Cited by 6 scholarly publications.

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KEYWORDS

Optical coherence tomography

Polarization

CCD cameras

Imaging systems

Switches

Switching

Charge-coupled devices

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