A spatially dispersive regenerative amplifier for ultrabroadband pulses

  • Jérôme Faure
  • , Jiro Itatani
  • , Subrat Biswal
  • , Gilles Chériaux
  • , Leah R. Bruner
  • , Glen C. Templeton
  • , Gérard Mourou

Research output: Contribution to journalArticlepeer-review

Abstract

We report for the first time the use of a spatially dispersive laser cavity as a regenerative amplifier of ultrashort pulses. By spatially dispersing the beam on a Ti:sapphire crystal and amplifying independently the wavelengths, we were able to overcome gain narrowing. An energy of 1.6 mJ was obtained with a spectrum of 81 nm at full width at half-maximum (FWHM). We discuss the different advantages of this technique and also theoretically investigate the possibility for intracavity dispersion compensation.

Original languageEnglish
Pages (from-to)68-73
Number of pages6
JournalOptics Communications
Volume159
Issue number1-3
DOIs
Publication statusPublished - 1 Jan 1999
Externally publishedYes

Keywords

  • Broadbandwidth amplification
  • Chirped-pulse amplification
  • Dispersion compensation
  • Gain narrowing
  • Ultrashort pulses

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