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20 February 2006 High-speed frequency-swept light source at 1550 nm for Fourier domain OCT with A-scanning rate at 20 kHz
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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.
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R. K. Wang, S. Cheung, P. H. Tomlins, C. Chong, A. Morosawa, and D. Heard "High-speed frequency-swept light source at 1550 nm for Fourier domain OCT with A-scanning rate at 20 kHz", Proc. SPIE 6079, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine X, 607917 (20 February 2006); https://doi.org/10.1117/12.648726
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