Applied Physics B

, Volume 80, Issue 4–5, pp 399–403

Supercontinuum extending from > 1000 to 250 nm, generated by focusing ten-fs laser pulses at 805 nm into Ar

  • S. A. Trushin
  • S. Panja
  • K. Kosma
  • W. E. Schmid
  • W. Fuß
Rapid Communication

Abstract

Ten femtosecond pulses at 805 nm with energy up to 1 mJ were produced by self-phase modulation of 45-fs pulses in Ar at atmospheric pressure and subsequent compression by chirped mirrors. Focusing part of this radiation again into Ar at atmospheric pressure generates a single filament with broadband emission covering the range from > 1000 to 250 nm. This range extends farther into the UV than previously observed with such low energies, overlapping even the region of the third harmonic. Only a small fraction of the power is contained outside the central spot. Using a simple prism compressor, pulses were obtained with durations of 70 fs and energies of 700 nJ in the range 270–290 nm.

PACS

42.65.Jx 42.65.Ky 42.65.Ky 

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Copyright information

© 2004 2005

Authors and Affiliations

  • S. A. Trushin
    • 1
  • S. Panja
    • 1
  • K. Kosma
    • 1
  • W. E. Schmid
    • 1
  • W. Fuß
    • 1
  1. 1.Max-Planck-Institut für QuantenoptikGarchingGermany

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