Chirped pulse Raman amplification in plasma

Gregory Vieux, Andrey Lyachev, Xue Yang, Bernhard Ersfeld, John Patrick Farmer, Enrico Brunetti, Riju Issac, Gaurav Raj, Gregor H. Welsh, Mark Wiggins, Dino Jaroszynski

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Abstract

Raman amplification in plasma has been proposed to be a promising method of amplifying short radiation pulses. Here, we investigate chirped pulse Raman amplification (CPRA) where the pump pulse is chirped and leads to spatiotemporal distributed gain, which exhibits superradiant scaling in the linear regime, usually associated with the nonlinear pump depletion and Compton amplification regimes. CPRA has the potential to serve as a high-efficiency high-fidelity amplifier/compressor stage.
Original languageEnglish
Article number063042
Number of pages9
JournalNew Journal of Physics
Volume13
DOIs
Publication statusPublished - Jun 2011

Keywords

  • amplifiers
  • compression
  • laser-pulses
  • radiation

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