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Opt Lett. 2003 Feb 15;28(4):257-9.

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

Author information

1
Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita, Osaka 565, Japan. hideyo@ile.osaka-u.ac.jp

Abstract

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.

PMID:
12653364
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