Terawatt diode-pumped Yb:CaF2 laser

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. Af...

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Bibliographic Details
Published in:Optics letters 2008-12, Vol.33 (23), p.2770-2772
Main Authors: SIEBOLD, Mathias, HORNUNG, Marco, HEIN, Joachim, KALUZA, Malte Christoph, BOEDEFELD, Ragnar, PODLESKA, Sebastian, KLINGEBIEL, Sandro, WANDT, Christoph, KRAUSZ, Ferenc, KARSCH, Stefan, UECKER, Reinhard, JOCHMANN, Axel
Format: Article
Language:English
Subjects:
Diode-pumped lasers
Doped-insulator lasers and other solid state lasers
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Lasers
Optics
Physics
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Summary: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.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.33.002770