1.1 kW average output power from a thin-disk multipass amplifier for ultrashort laser pulses

We report on a thin-disk multipass amplifier for ultrashort laser pulses delivering an average output power of 1105 W. The amplifier was seeded by a Trumpf TruMicro5050 laser with a power of 80 W at a wavelength of 1030 nm, pulse duration of 6.5 ps, and repetition rate of 800 kHz. The energy of the...

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Bibliographic Details
Published in:Optics letters 2013-12, Vol.38 (24), p.5442-5445
Main Authors: Negel, Jan-Philipp, Voss, Andreas, Abdou Ahmed, Marwan, Bauer, Dominik, Sutter, Dirk, Killi, Alexander, Graf, Thomas
Format: Article
Language:English
Subjects:
Amplification
Amplifiers
Beams (radiation)
Lasers
Pulse duration
Repetition
Slopes
Wavelengths
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Summary:We report on a thin-disk multipass amplifier for ultrashort laser pulses delivering an average output power of 1105 W. The amplifier was seeded by a Trumpf TruMicro5050 laser with a power of 80 W at a wavelength of 1030 nm, pulse duration of 6.5 ps, and repetition rate of 800 kHz. The energy of the amplified pulses is 1.38 mJ with a duration of 7.3 ps. The amplifier exhibits an optical efficiency of 44% and a slope efficiency of 46%. The beam quality was measured to be better than M²=1.25.
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.38.005442