A thulium fiber laser pumped Ho:YLF laser delivering 45.1 W in a near diffraction limited beam when pumped with 84.7 W is demonstrated. The optical-to-optical efficiency of 53 % compares favorably with similar Ho:YAG lasers.
Reference:
Koen, W, Jacobs, C, Collett, O and Esser, M.J.D. 2013. Efficient Ho:YLF laser pumped by a Tm:fiber laser. In: Advanced Solid-State Lasers Congress, Paris, France, 27 October - 1 November 2013
Koen, W., Jacobs, C., Collett, O., & Esser, M. (2013). Efficient Ho:YLF laser pumped by a Tm:fiber laser. The Optical Society. http://hdl.handle.net/10204/7155
Koen, W, Cobus Jacobs, O Collett, and MJD Esser. "Efficient Ho:YLF laser pumped by a Tm:fiber laser." (2013): http://hdl.handle.net/10204/7155
Koen W, Jacobs C, Collett O, Esser M, Efficient Ho:YLF laser pumped by a Tm:fiber laser; The Optical Society; 2013. http://hdl.handle.net/10204/7155 .
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