Abstract

We report on what is believed to be the first large-aperture and high-energy optical parametric chirped pulse amplification system. The system, based on a three-stage amplifier, shows 25% pump-to-signal conversion efficiency and amplification of the full 70nm width of the seed spectrum. Pulse compression to 84fs achieved after amplification indicates a potential of 300TW pulse power for 35J amplified pulse energy.

© 2006 Optical Society of America

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