22 March 2013 Pulsed blue laser source based on frequency quadrupling of a thulium fiber laser
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Abstract
We describe a pulsed blue (485 nm) laser source based on frequency quadrupling a pulsed Tm fiber laser. Up to 1.2 W at 485 nm was generated with an M2 of 1.3. At 10 kHz pulse repetition frequency, the output pulse at 485 nm was 65 ns FWHM resulting in an estimated peak power of 1.8 kW. We anticipate further improvements in power scaling with higher power Tm fiber lasers and improved conversion efficiency to the blue with optimized AR coatings and nonlinear optical crystals.
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Eric Honea, Eric Honea, Matthias Savage-Leuchs, Matthias Savage-Leuchs, Mark S. Bowers, Mark S. Bowers, Tolga Yilmaz, Tolga Yilmaz, Roy Mead, Roy Mead, } "Pulsed blue laser source based on frequency quadrupling of a thulium fiber laser", Proc. SPIE 8601, Fiber Lasers X: Technology, Systems, and Applications, 860111 (22 March 2013); doi: 10.1117/12.2005436; https://doi.org/10.1117/12.2005436
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