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CPA-free amplification of sub-10-ps pulses in Ho:YLF to the mJ-level at 2-µm wavelength
Author(s): Moritz Hinkelmann; Bastian Schulz; Dieter Wandt; Uwe Morgner; Maik Frede; Jörg Neumann; Dietmar Kracht
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Paper Abstract

The generation of sub-10 ps pulses around a wavelength of 2 μm with pulse energy at millijoule-level in a compact CPA-free amplifier chain is presented. This laser source covers a broad range of pulse repetition frequencies from 1 to 100 kHz with a pulse peak power from 136 to 17MW, respectively. We used highly doped Ho:YLF crystals to achieve an overall amplification factor of almost 52 dB. A characterization of these crystals regarding upconversion losses and attainable small-signal gain supports this work.

Paper Details

Date Published: 7 March 2019
PDF: 7 pages
Proc. SPIE 10896, Solid State Lasers XXVIII: Technology and Devices, 108960Q (7 March 2019); doi: 10.1117/12.2508378
Show Author Affiliations
Moritz Hinkelmann, Laser Zentrum Hannover e.V. (Germany)
Bastian Schulz, neoLASE GmbH (Germany)
Dieter Wandt, Laser Zentrum Hannover e.V. (Germany)
Uwe Morgner, Leibniz Univ. Hannover (Germany)
Laser Zentrum Hannover e.V. (Germany)
Maik Frede, neoLASE GmbH (Germany)
Jörg Neumann, Laser Zentrum Hannover e.V. (Germany)
Dietmar Kracht, Laser Zentrum Hannover e.V. (Germany)

Published in SPIE Proceedings Vol. 10896:
Solid State Lasers XXVIII: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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