Room temperature 60 mJ Fe:ZnSe MOPA laser system tunable over 3.6-5.2 µm spectral range

Dmitry V. Martyshkin; Krishna Karki; Vladimir Fedorov; Sergey Mirov

doi:10.1117/12.2583270

5 March 2021 Room temperature 60 mJ Fe:ZnSe MOPA laser system tunable over 3.6-5.2 μm spectral range

Dmitry V. Martyshkin, Krishna Karki, Vladimir Fedorov, Sergey Mirov

Proceedings Volume 11664, Solid State Lasers XXX: Technology and Devices; 116640D (2021) https://doi.org/10.1117/12.2583270
Event: SPIE LASE, 2021, Online Only

Abstract

We report on mid-IR Fe:ZnSe master oscillator power amplifier (MOPA) laser system operating at room temperature (RT) pumped by a radiation of mechanically Q-switched Er:YAG laser operating at 2.94 m, at 3Hz repetition rate. The maximum output energy was as high as 250mJ in ~250 ns pulses. The RT gain-switched Fe:ZnSe master oscillator demonstrated tunability over 3.60-5.15 µm spectral range with a maximum output energy of ~3 mJ. The output energies of 12 (8), 34 (25) and 60 (48) mJ were demonstrated at 4.4 (4.1) µm in the 1st, 2nd and 3rd stages of amplifier, respectively, with a total pump energy of 200 mJ.

Conference Presentation

Citation Download Citation

Dmitry V. Martyshkin, Krishna Karki, Vladimir Fedorov, and Sergey Mirov "Room temperature 60 mJ Fe:ZnSe MOPA laser system tunable over 3.6-5.2 μm spectral range", Proc. SPIE 11664, Solid State Lasers XXX: Technology and Devices, 116640D (5 March 2021); https://doi.org/10.1117/12.2583270

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