A sealed-off CuBr vapour laser with the maximal average output laser power of 20 W was fabricated and investigated. The corresponding efficiency is 1.2% and the specific average output laser power is 123 mW/cm3 in an active volume of 163 cm3. The lifetime of the laser is more than 300 hours operating at 12-15 W.
© 2007 Chinese Optics Letters
Bangning Mao, Bailiang Pan, Yubo Wang, Li Chen, and Limin Wang, "20-W sealed-off CuBr vapour laser excited with modified Blumlein circuit," Chin. Opt. Lett. 5, 591-593 (2007)