High-power and high-contrast optical parametric chirped pulse amplification in beta-BaB2O4 crystal.

@article{Yoshida2003HighpowerAH,
  title={High-power and high-contrast optical parametric chirped pulse amplification in beta-BaB2O4 crystal.},
  author={Hidetsugu Yoshida and Eiichi Ishii and Ryosuke Kodama and Hisanori Fujita and Y.. Kitagawa and Yasukazu Izawa and Takahiko Yamanaka},
  journal={Optics letters},
  year={2003},
  volume={28 4},
  pages={257-9}
}
We have developed a high-power laser system based on optical parametric chirped-pulse amplification in a beta-BaB2O4 crystal. The system provides gain of 10(8), a conversion efficiency of approximately 23%, an output energy of -65 mJ, and good amplified beam quality. The prepulse ratio has been measured to be 1.5 x 10(-8) or less. The spectral width was as broad as 16.5 nm centered at 1053 nm. 

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