High intensity regimes for resonant Raman compression

N. J. Fisch, V. M. Malkin, Z. Toroker

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In order to achieve the largest laser intensities, a plasma might be used as the amplification medium, thereby avoiding the material limits of conventional materials. The technique considered is resonant backward Raman amplification in plasma, wherein a short counter-propagating seed pulse, with frequency downshifted from a long pump pulse by the plasma frequency, absorbs the pump energy through a resonant decay interaction of the two counter-propagating light waves and a plasma wave. In the pump-depletion regime, the counter-propagating seed pulse assumes a self-contracting self-similar form, capturing the pump energy in a pulse of far shorter duration. This technique encounters limitations both at high laser seed output intensities and high pump laser intensities. At high seed output intensities, there are modulation instabilities that break up the output seed. At high pump intensities, the resonant interaction is interrupted by wavebreaking of the plasma wave. These limitations, while limiting, may not be as limiting as might be at first thought.

Original languageEnglish (US)
Title of host publicationRelativistic Plasma Waves and Particle Beams as Coherent and Incoherent Radiation Sources
EditorsDino A. Jaroszynski
PublisherSPIE
ISBN (Electronic)9781628416305
DOIs
StatePublished - Jan 1 2015
EventRelativistic Plasma Waves and Particle Beams as Coherent and Incoherent Radiation Sources - Prague, Czech Republic
Duration: Apr 15 2015Apr 16 2015

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9509
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Other

OtherRelativistic Plasma Waves and Particle Beams as Coherent and Incoherent Radiation Sources
CountryCzech Republic
CityPrague
Period4/15/154/16/15

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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  • Cite this

    Fisch, N. J., Malkin, V. M., & Toroker, Z. (2015). High intensity regimes for resonant Raman compression. In D. A. Jaroszynski (Ed.), Relativistic Plasma Waves and Particle Beams as Coherent and Incoherent Radiation Sources [95090G] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9509). SPIE. https://doi.org/10.1117/12.2183062