Abstract

We demonstrate a simple and practical single-stage ultrafast laser amplifier system that operates at a repetition frequency from 1 to 10  kHz, with millijoule pulse energy and as much as 13  W of average power. The repetition rate can be adjusted continuously from 1 to 10  kHz by new all-solid-state pump laser technology. This is to our knowledge the highest average power ever obtained from a single-stage ultrafast laser amplifier system. This laser will significantly increase the average power and the repetition rate that is easily accessible for high-field experiments such as coherent x-ray generation or for laser-synchrotron studies.

© 2001 Optical Society of America

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