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We report on the first demonstration of passive mode-locking laser operation of a diode-pumped Tm:GdLiF4 crystal. Pulse trains with 20-ps duration, average power of ~100 mW, and repetition rate of 75 MHz are obtained.
We report on the first demonstration of passive mode-locked operation of a diode-pumped Yb:KYF4 crystal. Transform-limited pulses with duration of 170 fs, average power of 60 mW, and repetition rate of 55 MHz are obtained.
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