Dispersion-tuned wavelength-swept fiber laser using a chirped FBG and a reflective SOA for OCT applications

Y. Takubo; S. Yamashita

doi:10.1117/12.975128

7 November 2012 Dispersion-tuned wavelength-swept fiber laser using a chirped FBG and a reflective SOA for OCT applications

Y. Takubo, S. Yamashita

Author Affiliations +

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84215T (2012) https://doi.org/10.1117/12.975128
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

We demonstrate a wavelength-swept fiber laser based on the dispersion tuning method using a chirped fiber Bragg grating (CFBG) and a reflective semiconductor optical amplifier (RSOA). The laser cavity length is reduced to as short as 2m owing to the short and highly-dispersive CFBG, which is much shorter than the one using dispersion compensating fiber (DCF). The short cavity enables higher sweep speed. We successfully obtain the OCT images of a rolled adhesive tape at the sweep rate of 50kHz.

Citation Download Citation

Y. Takubo and S. Yamashita "Dispersion-tuned wavelength-swept fiber laser using a chirped FBG and a reflective SOA for OCT applications", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84215T (7 November 2012); https://doi.org/10.1117/12.975128

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