A team of researchers demonstrated that langasite (LGS) enables efficient Q-switch operation of Cr:Er:YSGG #lasers at 2.79 µm. They report 300 mJ output energy at 15 ns pulse duration at a 3Hz repetition rate, which is, as far as the team knows, the record result documented to date at 2.79 µm. To learn more, click: https://ilphotonics.com/demonstrating-a-300-mj-eo-q-switched-2-79-%c2%b5m-crerysgg-laser/