Polarization sensitive full-field optical coherence tomography based on bi-stable polarizaton switch

Kwan Seob Park; Woo June Choi; Tae Joong Eom; Jae Hun Kim; Deok Ha Woo; Byeong Ha Lee

doi:10.1117/12.2003805

22 February 2013 Polarization sensitive full-field optical coherence tomography based on bi-stable polarizaton switch

Kwan Seob Park, Woo June Choi, Tae Joong Eom, Jae Hun Kim, Deok Ha Woo, Byeong Ha Lee

Proceedings Volume 8589, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XX; 85891D (2013) https://doi.org/10.1117/12.2003805
Event: SPIE BiOS, 2013, San Francisco, California, United States

Abstract

We present polarization-sensitive full-field optical coherence tomography (PS-FF-OCT), which is based on a bi-stable polarization switch (BSPS) device. The proposed PS-FF-OCT is a Linnik type interferometer, and allows getting both the birefringence-induced phase retardation and the intensity images of specimens with high resolutions using a pair of micro objectives and a BSPS device. Two orthogonal polarization states are formed with a regular time interval by the BSPS device that changes the polarization direction of light in a short time by switching its optic axes. Therefore, both the horizontally polarized light signal and the vertically polarized light signal from the sample can be detected with a single CCD camera. For getting a phase retardation image in real-time, the BSPS device is phase-locked with the CCD camera. The proposed method makes easy implementation of the PS- FF-OCT system without the needs of complex alignment process of using two identical CCD cameras. The experimental results confirm the feasibility of the system.

Citation Download Citation

Kwan Seob Park, Woo June Choi, Tae Joong Eom, Jae Hun Kim, Deok Ha Woo, and Byeong Ha Lee "Polarization sensitive full-field optical coherence tomography based on bi-stable polarizaton switch", Proc. SPIE 8589, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XX, 85891D (22 February 2013); https://doi.org/10.1117/12.2003805

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