Total-reflection active-mirror laser with directly liquid-nitrogen-cooled Yb:YAG ceramics

Hiroaki Furuse,Taku Saiki,K. Imasaki,Masayuki Fujita,Shinya Ishii,Kenji Takeshita,Noriaki Miyanaga,Junji Kawanaka

Total-reflection active-mirror laser with directly liquid-nitrogen-cooled Yb:YAG ceramics

2009

Hiroaki Furuse
Taku Saiki
K. Imasaki
Masayuki Fujita
Shinya Ishii
Kenji Takeshita
Noriaki Miyanaga
Junji Kawanaka

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:

Total internal reflection
Liquid nitrogen
Materials science
Imagination
Optoelectronics
Laser
Science, technology and society
Ceramic
Chemical substance

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