Laser pulse compression and amplification via Raman backscattering in plasma

Ashutosh Sharma, Yannis Kourakis

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A simple theoretical model is proposed for the interaction between two counter-propagating laser pulses (a pump and a seed pulse) in unmagnetized plasma. Pulse compression and amplification are observed via numerical simulation. A one dimensional fluid model for stimulated Raman backscattering is proposed to investigate the pulse compression and pulse amplification mechanisms. To accomplish this, energy is transferred from the long pump pulse to a seed pulse, with a Langmuir plasma wave mediating the transfer. The study focuses on the intensity profile of the pump laser pulse. A Gaussian and a ring intensity profile are, separately, considered for the pump laser pulse.
Original languageEnglish
Pages (from-to)579-585
Number of pages7
JournalLaser And Particle Beams
Volume27
Issue number4
DOIs
Publication statusPublished - Dec 2009

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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