High Energy Electro-Optically Q-Switched 2.79 μm Cr:Er:YSGG MOPA

Dmitry Martyshkin,Vladimir Fedorov, Scott Hamlin,Sergey Mirov

2023 IEEE Research and Applications of Photonics in Defense Conference (RAPID)（2023）

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Abstract

We report on 2.79μm flashlamp-pumped electro optically Q-switched Cr:Er:Ysgg lasers with the La 3 Ga 5 SiO 14 Q-switch. The “short”(“long”) cavity oscillators demonstrated up to 300(190)mJ output energy in 15(85)ns pulses at a 3Hz repetition rate. In the 2.9m long MOPA configuration, 300mJ was reached at l00ns pulse duration.

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Key words

3 μm Q-switched solid-state lasers,Fe:ZnSe pump sources,Cr:Er:YSGG laser,electro-optical Q-switching,La3Ga5SiO14 Q-switch

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