We describe an oscillator-amplifier laser system for the generation of high-power femtosecond pulses near 1.25 microm based on chromium-doped forsterite. Chirped-pulse amplification at a 1-kHz repetition rate raises the pulse energy to >350 microJ. The nearly transform-limited 200-microJ, 135-fs-long recompressed pulses have a peak power of approximately 1.5 GW.
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Shcheslavskiy et al. (1999) studied this question.
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