Title :
Sapphire cooling at both faces of high-power cryogenic Yb:YAG disk laser
Author :
Tokita, Shigeki ; Kawanuka, J. ; Izawa, Yasukazu ; Fujita, Masayuki ; Kawashima, Toshlyuki
Author_Institution :
Inst. of Laser Eng., Osaka Univ., Japan
Abstract :
We have demonstrated a high-power laser oscillator with end-cooling using a sapphire-sandwiched Yb:YAG disk at liquid nitrogen temperature. An output power of 75 W with near-diffraction-limited beam was obtained from a 0.6-mm thick active medium.
Keywords :
cryogenics; laser beams; sapphire; solid lasers; ytterbium; 0.6 mm; 75 W; Al2O3; YAG:Yb; YAl5O12:Yb; active medium; end-cooling; high-power cryogenic disk laser; high-power laser oscillator; laser power; liquid nitrogen temperature; near-diffraction-limited beam; sapphire cooling; sapphire-sandwiched disk; Cooling; Cryogenics; Diodes; Laser beams; Laser excitation; Oscillators; Power generation; Power lasers; Pump lasers; Temperature;
Conference_Titel :
Lasers and Electro-Optics Europe, 2005. CLEO/Europe. 2005 Conference on
Print_ISBN :
0-7803-8974-3
DOI :
10.1109/CLEOE.2005.1567796
