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Blue 489-nm picosecond pulses generated by intracavity frequency doubling in a passively mode-locked optically pumped semiconductor disk laser

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Abstract

We report the generation of blue 489-nm picosecond laser pulses by intracavity second-harmonic generation in a mode-locked optically pumped InGaAs vertical-external-cavity surface-emitting laser. Mode locking achieved by a semiconductor saturable absorber mirror generated 5.8-ps-long sech2-shaped pulses at an emission wavelength of 978 nm and a repetition rate of 1.88 GHz. Intracavity frequency doubling in a 5-mm-long lithium triborate crystal generated blue picosecond pulses with a spectral width of 0.15 nm and an average output power of up to 6 mW.

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Authors and Affiliations

  1. Fachbereich Physik, Technische Universität Kaiserslautern, Erwin-Schrödinger-Str. 46, 67663, Kaiserslautern, Germany

    O. Casel, D. Woll, M. A. Tremont, H. Fuchs & R. Wallenstein

  2. Universität Ulm, Albert-Einstein-Allee 45, 89081, Ulm, Germany

    E. Gerster & P. Unger

  3. Ferdinand-Braun-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, 12489, Berlin, Germany

    M. Zorn & M. Weyers

Authors
  1. O. Casel
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  2. D. Woll
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  3. M. A. Tremont
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  4. H. Fuchs
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  5. R. Wallenstein
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  6. E. Gerster
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  7. P. Unger
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  8. M. Zorn
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  9. M. Weyers
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Correspondence to O. Casel.

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Casel, O., Woll, D., Tremont, M.A. et al. Blue 489-nm picosecond pulses generated by intracavity frequency doubling in a passively mode-locked optically pumped semiconductor disk laser. Appl. Phys. B 81, 443–446 (2005). https://doi.org/10.1007/s00340-005-1931-1

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  • DOI: https://doi.org/10.1007/s00340-005-1931-1

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