13 March 2007 High-energy, high-repetition rate diode-pumped femtosecond amplifier
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Abstract
We demonstrate a directly diode-pumped Yb:KYW femtosecond chirped pulse laser amplifier with > 1 mJ pulse energy and pulse repetition rates higher than 5 kHz. We extracted up to 1.8 mJ at a pulse repetition rate of 2 kHz and 1.5 mJ at a pulse repetition rate of 5 kHz. After a high efficiency grating compressor having >80% transmission, we measured a pulse duration of 480 fs. The M2 value was better than 1.2.
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C. Hönninger, A. Courjaud, E. Mottay, M. Delaigue, I. Manek-Hönninger, "High-energy, high-repetition rate diode-pumped femtosecond amplifier", Proc. SPIE 6460, Commercial and Biomedical Applications of Ultrafast Lasers VII, 64600H (13 March 2007); doi: 10.1117/12.698941; https://doi.org/10.1117/12.698941
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