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Proceedings Paper

Axial resolution and depth range of high-resolution spectral domain optical coherence tomography at 1.3 µm
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Paper Abstract

We built a high-speed, real-time spectral domain optical coherence tomography (SD-OCT) system at the 1.3 μm region using an InGaAs line-scan camera with 1024 pixels and 46.99 klines/s. In SD-OCT, the actual spatial resolution can be different from the theoretical one due to the large bandwidth of the light source and the finite number of detector pixels, especially for a long center wavelength. We calculated and compared the axial resolutions obtained from the point spread function and the physical pixel size of the OCT image. We found that the axial resolution of the SD-OCT system could be limited in the 1.3 μm region if the depth range becomes large.

Paper Details

Date Published: 24 February 2009
PDF: 5 pages
Proc. SPIE 7168, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XIII, 71682L (24 February 2009); doi: 10.1117/12.809939
Show Author Affiliations
Sang-Won Lee, Yonsei Univ. (Korea, Republic of)
Hyun-Woo Jeong, Yonsei Univ. (Korea, Republic of)
Yeh-Chan Ahn, Beckman Laser Institute (United States)
Univ. of California, Irvine (United States)
Woonggyu Jung, Univ. of California, Irvine (United States)
Zhongping Chen, Beckman Laser Institute (United States)
Univ. of California, Irvine (United States)
Beop-Min Kim, Yonsei Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 7168:
Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XIII
James G. Fujimoto; Joseph A. Izatt; Valery V. Tuchin, Editor(s)

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