Stimulated Raman side and backscatter instabilities of crossed laser beams in plasma

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dc.contributor.authorSingh, Vijay
dc.contributor.authorMvile, Benatus Norbert
dc.contributor.authorPandey, Anoop Kumar
dc.date.accessioned2024-08-17T09:22:19Z
dc.date.available2024-08-17T09:22:19Z
dc.date.issued2023
dc.descriptionAbstract. Full-text available at https://doi.org/10.1016/j.hedp.2023.101054
dc.description.abstractStimulated Raman scattering (SRS) instability due to two nonlinearly coupled laser beams propagating in homogeneous, thermal plasma is analyzed. The temporal evolution equations for pump, scattered and Langmuir waves excited due to the interaction are set up. Using numerical techniques temporal evolution of amplitudes of pump, scattered and resultant Langmuir waves for side and back SRS instabilities have been obtained in the non-relativistic regime. The temporal growth rate, saturation time and saturation amplitude of waves excited by two crossed (perpendicular) lasers are studied and compared with the single beam case. The model considers pump depletion to be the dominant saturation mechanism. The study points towards a new concept for generation of high amplitude Langmuir waves.
dc.identifier.citationSingh, V., Mvile, B. N., & Pandey, A. K. (2023). Stimulated Raman side and backscatter instabilities of crossed laser beams in plasma. High Energy Density Physics, 48, 101054.
dc.identifier.doi10.1016/j.hedp.2023.101054
dc.identifier.otherDOI: 10.1016/j.hedp.2023.101054
dc.identifier.urihttps://repository.udom.ac.tz/handle/20.500.12661/4664
dc.language.isoen
dc.publisherElsevier BV
dc.relation.ispartofHigh Energy Density Physics
dc.subjectStimulated Raman scattering (SRS)
dc.subjectNonlinear coupling
dc.subjectHomogeneous thermal plasma
dc.subjectLangmuir waves
dc.subjectTemporal evolution
dc.subjectPump depletion
dc.titleStimulated Raman side and backscatter instabilities of crossed laser beams in plasma
dc.typeArticle
oaire.citation.volume48
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