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CPA-free amplification of sub-10 ps pulses in Ho:YLF to the mJ-level at 2 μm wavelength
Authors
Maik Frede
Moritz Hinkelmann
+5 more
Dietmar Kracht
Uwe Morgner
Jörg Neumann
Bastian Schulz
Dieter Wandt
Publication date
1 January 2019
Publisher
Bellingham : SPIE
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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. © 2019 SPIE
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Institutionelles Repositorium der Leibniz Universität Hannover
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Last time updated on 20/12/2020