The lasing characteristics of a laser-diode end-pumped Tm:YAG laser were investigated. We obtained a laser output power of 124 mW, a slope efficiency of 36%, and a threshold power of 77 mW with a 3% Tm-doped YAG crystal at room temperature. This lasing performance was improved when the crystal was cooled. The dependencies of both slope efficiency and threshold power on temperature were measured.
© 1996 Optical Society of America
Original Manuscript: July 31, 1995
Revised Manuscript: August 14, 1995
Published: March 20, 1996
Takeshi Yokozawa and Hiroshi Hara, "Laser-diode end-pumped Tm3+:YAG eye-safe laser," Appl. Opt. 35, 1424-1426 (1996)