Dark-field polarization-sensitive optical coherence tomography
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SCOPUS
- Title
- Dark-field polarization-sensitive optical coherence tomography
- Authors
- Yoon, Y; Li, QY; Le, VH; Jang, WH; Wang, TJ; Kim, B; Son, S; Chung, WK; Joo, C; Kim, KH
- Date Issued
- 2015-05-18
- Publisher
- OPTICAL SOC AMER
- 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. (C) 2015 Optical Society of America
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/26695
- DOI
- 10.1364/OE.23.012874
- ISSN
- 1094-4087
- Article Type
- Article
- Citation
- OPTICS EXPRESS, vol. 23, no. 10, page. 12874 - 12886, 2015-05-18
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- There are no files associated with this item.
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