Abstract

This paper presents a short pulse-width gain-switched Ho:YAG ceramic laser at 2089 nm resonantly pumped by a homemade Q-switched Tm:fiber laser at 1908  nm. We generated stable pulses of 44–103 ns duration and 0.13–2 kW peak power at 20 kHz of pulse repetition frequency when the incident pump pulse energy increased from 0.1 to 0.3 mJ. We also obtained an average output power of 1.76 W under an incident pump power of 6 W, corresponding to a slope efficiency of 41.8%. Finally, this paper discusses the prospects to further improve the results with even a shorter pulse-width and higher peak power.

© 2016 Optical Society of America

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