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Proceedings Paper

A study on optical coherence tomography using high frequency swept source
Author(s): Lei Ding; Xinglin Tong; Liang Chen; Pan Hu; Di Huang; Minli Zhao; Hongqiao Wen
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Paper Abstract

Optical coherence tomography based on ultra technology is used for the assessment of subcutaneous tissue. Using high swept laser technology based on Fourier domain mode locking (FDML), the system operated in the 1300 nm wavelength range with axial scan rate of 150 kHz. Imaging at this wavelength range reduces optical scattering and improves imaging penetration depths in the tissues. The laser consists of a semiconductor amplifier as the gain medium, a tunable Fabry-Perot filter to change the wavelengthcand a long fiber ring cavity. The tuning range of laser is 102 nm. A balanced detector is used for spectra collection instead of the expensive CCD.

Paper Details

Date Published: 26 May 2016
PDF: 5 pages
Proc. SPIE 9854, Image Sensing Technologies: Materials, Devices, Systems, and Applications III, 985411 (26 May 2016); doi: 10.1117/12.2223404
Show Author Affiliations
Lei Ding, Wuhan Univ. of Technology (China)
Xinglin Tong, Wuhan Univ. of Technology (China)
Liang Chen, Wuhan Univ. of Technology (China)
Pan Hu, Wuhan Univ. of Technology (China)
Di Huang, Wuhan Univ. of Technology (China)
Minli Zhao, Wuhan Univ. of Technology (China)
Hongqiao Wen, Wuhan Univ. of Technology (China)

Published in SPIE Proceedings Vol. 9854:
Image Sensing Technologies: Materials, Devices, Systems, and Applications III
Nibir K. Dhar; Achyut K. Dutta, Editor(s)

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