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Proceedings Paper

Fast wavelength-swept dispersion-tuned fiber laser over 500kHz using a wideband chirped fiber Bragg grating
Author(s): Shinji Yamashita; Yuya Takubo
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Paper Abstract

We proposed a wide and fast wavelength-swept fiber lasers based on the dispersion tuning for the optical coherence tomography (OCT) applications. So far, we have achieved the sweep rate of ~200kHz at the sweep bandwidth of ~180nm. The sweep rate is only limited by the photon lifetime, which is proportional to the cavity length. Since we used a dispersion compensating fiber (DCF) as the dispersive medium, the long cavity length (~100m) was the limit of the sweep rate. In this paper, we demonstrate faster sweep rate up to ~500kHz by using a wideband chirped fiber Bragg grating (CFBG).

Paper Details

Date Published: 18 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77537W (18 May 2011); doi: 10.1117/12.885070
Show Author Affiliations
Shinji Yamashita, The Univ. of Tokyo (Japan)
Yuya Takubo, The Univ. of Tokyo (Japan)


Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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