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Proceedings Paper

High-speed frequency-swept light source at 1550 nm for Fourier domain OCT with A-scanning rate at 20 kHz
Author(s): R. K. Wang; S. Cheung; P. H. Tomlins; C. Chong; A. Morosawa; D. Heard
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Paper Abstract

We demonstrate a high-speed tuneable, continuous wave laser source at 1550nm for Fourier domain OCT imaging. The light source was based on a pigtailed semiconductor optical amplifier and a diffraction grating and polygon mirror for fast frequency tuning. This source provides frequency scan rate of up to 20kHz over a wavelength range of 80nm (60nm FWHM) at the central wavelength of 1550nm, offering an axial resolution of ~17 microns.

Paper Details

Date Published: 20 February 2006
PDF: 4 pages
Proc. SPIE 6079, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine X, 607917 (20 February 2006); doi: 10.1117/12.648726
Show Author Affiliations
R. K. Wang, Oregon Health & Science Univ. (United States)
S. Cheung, Oregon Health & Science Univ. (United States)
P. H. Tomlins, National Physical Lab. (United Kingdom)
C. Chong, Santec Corp. (Japan)
A. Morosawa, Santec Corp. (Japan)
D. Heard, Santec Europe Ltd. (United Kingdom)


Published in SPIE Proceedings Vol. 6079:
Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine X
Valery V. Tuchin; Joseph A. Izatt; James G. Fujimoto, Editor(s)

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