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Yoon Y, Li Q, Le VH, et al. Dark-field polarization-sensitive optical coherence tomography. Opt Express. 2015;23(10):12874-86doi: 10.1364/OE.23.012874.
Yoon, Y., Li, Q., Le, V. H., Jang, W. H., Wang, T., Kim, B., Son, S., Chung, W. K., Joo, C., & Kim, K. H. (2015). Dark-field polarization-sensitive optical coherence tomography. Optics express, 23(10), 12874-86. https://doi.org/10.1364/OE.23.012874
Yoon, Yeoreum, et al. "Dark-field polarization-sensitive optical coherence tomography." Optics express vol. 23,10 (2015): 12874-86. doi: https://doi.org/10.1364/OE.23.012874
Yoon Y, Li Q, Le VH, Jang WH, Wang T, Kim B, Son S, Chung WK, Joo C, Kim KH. Dark-field polarization-sensitive optical coherence tomography. Opt Express. 2015 May 18;23(10):12874-86. doi: 10.1364/OE.23.012874. PMID: 26074541.
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Opt Express. 2015 May 18;23(10):12874-86. doi: 10.1364/OE.23.012874.

Dark-field polarization-sensitive optical coherence tomography.

Optics express

Yeoreum Yoon, Qingyun Li, Viet Hoan Le, Won Hyuk Jang, Taejun Wang, Bumju Kim, Sihyung Son, Wan Kyun Chung, Chulmin Joo, Ki Hean Kim

PMID: 26074541 DOI: 10.1364/OE.23.012874

Abstract

Polarization-sensitive optical coherence tomography (PS-OCT) is a functional OCT providing both structural and birefringent information of the sample, and it has been applied to the studies of various organs having polarization properties. Fiber-based PS-OCT is sensitive to specular reflection from the sample surface, because signal saturation due to the strong specular reflection can make the polarization measurement difficult. We developed a dark-field PS-OCT which can avoid the specular reflection problem. Dark-field PS-OCT was implemented by adapting a hybrid method of Bessel-beam illumination and Gaussian-beam detection, and a PS-OCT method based on passive delay unit (PDU). The new system was characterized in comparison with the conventional Gaussian-beam based method in both polarization components and various samples including the human skin. Dark-field PS-OCT performed as good as the conventional PS-OCT without the specular reflection artifact. Dark-field PS-OCT may be useful in practical situations where the specular reflection is unavoidable.

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