Polarization-Sensitive Quantum Optical Coherence Tomography: Birefringence Profiles of Biological Samples

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Polarization-Sensitive Quantum Optical Coherence Tomography: Birefringence Profiles of Biological Samples
by Vitaly Sukharenko * andRoger DorsinvilleORCID
The City College, City University of New York, 160 Convent Avenue, New York, NY 10031, USA
*
Author to whom correspondence should be addressed.
Appl. Sci. 2024, 14(3), 1168; https://doi.org/10.3390/app14031168
Submission received: 11 December 2023 / Revised: 17 January 2024 / Accepted: 25 January 2024 / Published: 30 January 2024
(This article belongs to the Special Issue Quantum Optics: Theory, Methods and Applications)
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Abstract
Polarization-sensitive quantum optical coherence tomography (PS-QOCT) is used to image and characterize birefringence effects in biological samples. Entangled photons are generated via spontaneous parametric down-conversion and split into a reference arm and a sample arm of a Mach Zehnder interferometer. Interferometric patterns between two entangled photons reveal information about tissue birefringence. Biological tissue samples are imaged and characterized, and their quantum interference patterns and birefringence profiles are presented.