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High-temporal contrast using low-gain optical parametric amplification

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Abstract

We demonstrate the use of low-gain optical parametric amplification (OPA) as a means of improving temporal contrast to a detection-limited level 1010. 250μJ, 500fs pulses of 1053nm are frequency doubled and subsequently restored to the original wavelength by OPA with >10% efficiency.

© 2009 Optical Society of America

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