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. 2008 Dec 1;33(23):2770-2.
doi: 10.1364/ol.33.002770.

Terawatt diode-pumped Yb:CaF2 laser

Mathias Siebold  1 , Marco Hornung, Ragnar Boedefeld, Sebastian Podleska, Sandro Klingebiel, Christoph Wandt, Ferenc Krausz, Stefan Karsch, Reinhard Uecker, Axel Jochmann, Joachim Hein, Malte Christoph Kaluza
Affiliations

Terawatt diode-pumped Yb:CaF2 laser

Mathias Siebold et al. Opt Lett. .

Abstract

We present what we believe to be the first terawatt diode-pumped laser employing single-crystalline Yb:CaF(2) as the amplifying medium. A maximum pulse energy of 420 mJ at a repetition rate of 1 Hz was achieved by seeding with a stretched femtosecond pulse 2 ns in duration, preamplified to 40 mJ. After recompression, a pulse energy of 197 mJ and a duration of 192 fs were obtained, corresponding to a peak power of 1 TW. Furthermore, nanosecond pulses containing an energy of up to 905 mJ were generated without optical damage.

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