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Conferences > ASSP > 2012 > AM6A > AM6A.3

High power top hat pulses from an Yb MOPA for efficient OPA pumping

T. Balčiūnas, G. Y. Fan, G. Andriukaitis, A. Pugžlys, and A. Baltuška

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Abstract

We demonstrate shaping of a high energy broadband Yb amplifier pulses for the generation of a top hat temporal profile that provides efficient pumping of an optical parametric amplifier. For the shaping an acousto optic programmable dispersion filter (AOPDF) is used as a phase only filter. The scheme is scalable to a high average power and simple due to a rather broad bandwidth of the Yb:CaF2 gain medium used in the amplifier that supports sub 150 fs transform limited pulse duration.

© 2012 Optical Society of America

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