Study of wave-front distortion in cryogenic Yb:YAG TRAM laser and a novel Coherent Beam Combining (CBC) technique for ultra-high power laser systems

Hiroaki Furuse,Junji Kawanaka,Haik Chosrowjan,Noriaki Miyanaga,Toshimitsu Sakurai,Masayuki Fujita,Shinya Ishii,Kenji Takeshita,Yasukazu Izawa

Study of wave-front distortion in cryogenic Yb:YAG TRAM laser and a novel Coherent Beam Combining (CBC) technique for ultra-high power laser systems

2012

Hiroaki Furuse
Junji Kawanaka
Haik Chosrowjan
Noriaki Miyanaga
Toshimitsu Sakurai
Masayuki Fujita
Shinya Ishii
Kenji Takeshita
Yasukazu Izawa

We have studied wave-front distortion due to thermal lensing, temperature rise and birefringence of cryogenic Yb:YAG TRAM laser for >100kW ultra-high power laser systems. A novel coherent beam combining technique is also presented.

Keywords:

Birefringence
Laser power scaling
Laser
Tunable laser
Distortion
Laser pumping
Materials science
Analytical chemistry
X-ray laser
Diode-pumped solid-state laser
Optics
Optoelectronics

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