Title :
Total-reflection active-mirror laser with directly liquid-nitrogen-cooled Yb:YAG ceramics
Author :
Furuse, H. ; Saiki, T. ; Imasaki, K. ; Fujita, M. ; Ishii, S. ; Takeshita, K. ; Miyanaga, N. ; Kawanaka, J.
Author_Institution :
Inst. for Laser Technol., Suita, Japan
Abstract :
We report on the efficient operation of directly liquid-nitrogen-cooled Yb:YAG active-mirror laser. A CW output power of 273 W with slope efficiency of 72% was demonstrated. High heat removal ability was ensured at 743 W/cm2.
Keywords :
cooling; laser beams; laser mirrors; nitrogen; solid lasers; ytterbium; YAG:Yb; directly liquid-nitrogen-cooled ceramics; efficiency 72 percent; power 273 W; total-reflection active-mirror laser; Ceramics; Diodes; Laser excitation; Laser fusion; Optical pumping; Power generation; Power lasers; Pump lasers; Semiconductor laser arrays; Solid lasers; (140.3480) Lasers, diode-pumped; (140.3580) Lasers, solid-state; (140.3615) Lasers, ytterbium;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8