Measurement of the frequency and spectral width of the Langmuir wave spectrum driven by stimulated Raman scattering

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DOIResolve DOI: http://doi.org/10.1063/1.873706
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TypeArticle
Journal titlePhysics of Plasmas
ISSN1070664X
Volume6
Issue11
Pages4284
Subjectplasma oscillations; scatterings measurements; stimulated Raman scattering; Raman spectra; radiosurgery
AbstractThomson scattering was used to measure the spectrum of Langmuir waves, in both frequency and wave number, driven below quarter-critical density by a laser beam. These measurements were capable of detecting and identifying waves driven by stimulated Raman scattering(SRS) and also of detecting waves driven by other effects such as the bump-on-tail instability postulated by the enhanced Thomson scattering model of Raman emission. The observed Langmuir waves were consistent with SRS and not with other possible sources. The width in k-space of the measured Thomson scattering signals also has implications for the saturation amplitude of the Langmuir waves.
Publication date
PublisherAIP Publishing
LanguageEnglish
AffiliationNational Research Council Canada; Security and Disruptive Technologies
Peer reviewedYes
NPARC number21277549
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Record identifierd954c846-c398-4fb8-8014-236009036155
Record created2016-04-18
Record modified2016-05-09
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