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

Research output: Contribution to journalArticlepeer-review

146 Citations (Scopus)


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.
Original languageEnglish
Pages (from-to)87-93
Number of pages6
JournalEuropean Physical Journal D: Atomic, Molecular, Optical and Plasma Physics
Issue number1
Publication statusPublished - Jul 1998


  • free-electron lasers
  • modulation
  • tuning
  • mode locking


Dive into the research topics of 'Two-colour operation of a free-electron laser and applications in the mid-infrared'. Together they form a unique fingerprint.

Cite this