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Two-colour operation of a Free-Electron Laser and applications in the mid-infrared

  • R. Prazeres
  • F. Glotin
  • C. Insa
  • D.A. Jaroszynski
  • J.M. Ortega

Abstract:

The two-colour operation of a Free-Electron Laser (FEL) has been demonstrated with the “CLIO” infrared facility. A two section undulator allows the production of picosecond laser pulses at two different wavelengths \(\) and \(\) simultaneously, in a wavelength range from \(\) to \(\), and with a wavelength separation of two colours of up to \(\). The time overlap, between both colours, has been measured on a picosecond time scale and on a microsecond time scale. An initial pump-probe application experiment has been performed with the two colours: stimulated emission has been measured in a 3-level Quantum-Well system. This is the best demonstration of the stability and reliability of the two-colour laser operation.

PACS. 41.60.Cr Free-electron lasers[:AND:] 42.60.Fc Modulation, tuning, and mode locking 

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Copyright information

© EDP Sciences, Springer-Verlag 1998

Authors and Affiliations

  • R. Prazeres
    • 1
  • F. Glotin
    • 1
  • C. Insa
    • 1
  • D.A. Jaroszynski
    • 2
  • J.M. Ortega
    • 1
  1. 1.LURE, bâtiment 209d, Université de Paris-Sud, 91405 Orsay Cedex, FranceFR
  2. 2.University of Strathclyde, Department of Physics and Applied Physics, Glasgow G4 ONG, UKGB

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