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14 November 2012 Efficient single-pass resonantly-pumped Ho:YAG laser
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Abstract
A simple scheme for efficient generation of two micron laser radiation is reported. Using a thulium fibre laser to pump a Q-switched Ho:YAG laser 31.7 W of average output power is achieved with an M2 of 1.5 (an optical-to-optical conversion efficiency of 67% in terms of absorbed pump power) at a wavelength of 2.1 μm. A single-pass pump geometry is used, eliminating the risk of feedback of unabsorbed light into the fibre laser.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ian Elder and Timothy Kendall "Efficient single-pass resonantly-pumped Ho:YAG laser", Proc. SPIE 8543, Technologies for Optical Countermeasures IX, 854307 (14 November 2012); https://doi.org/10.1117/12.974285
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