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

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.