High-energy Q-switched 120 mJ Ho:YAG lasers at 500 Hz repetition rate

Viktor Smolski; Igor Moskalev; Sergey Vasilyev; Jeremy Peppers; Mike Mirov; Vladimir Fedorov; Dmitry Martyshkin; Sergey Mirov

doi:10.1117/12.2623264

30 May 2022 High-energy Q-switched 120 mJ Ho:YAG lasers at 500 Hz repetition rate

Viktor Smolski, Igor Moskalev, Sergey Vasilyev, Jeremy Peppers, Mike Mirov, Vladimir Fedorov, Dmitry Martyshkin, Sergey Mirov

Author Affiliations +

Proceedings Volume 12092, Laser Technology for Defense and Security XVII; 1209203 (2022) https://doi.org/10.1117/12.2623264
Event: SPIE Defense + Commercial Sensing, 2022, Orlando, Florida, United States

Abstract

We present recent results on high energy, high repetition rate 2090 nm Ho:YAG laser system resonantly pumped by the radiation of efficient Tm-doped CW fiber lasers. The laser consists of a master oscillator power amplifier (MOPA) with two additional amplification stages. We demonstrate maximum energy of 120 mJ per pulse with a 15 ns pulse width at 500 Hz, corresponding to a peak power of 8 MW. The results presented in a wide 100-1000 Hz range of repetition rates.

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Viktor Smolski, Igor Moskalev, Sergey Vasilyev, Jeremy Peppers, Mike Mirov, Vladimir Fedorov, Dmitry Martyshkin, and Sergey Mirov "High-energy Q-switched 120 mJ Ho:YAG lasers at 500 Hz repetition rate", Proc. SPIE 12092, Laser Technology for Defense and Security XVII, 1209203 (30 May 2022); https://doi.org/10.1117/12.2623264

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