Application and generation of large amplitude plasma waves by beating of two intense laser beams

Rainer Salomaa, Seppo Karttunen

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Abstract

Large amplitude plasma waves which can be created by beating two intense laser beams are applicable e.g., to particle acceleration, to induction of plasma currents, and to plasma heating. A central issue in these applications is the nonlinear behaviour of the plasmon. We present a theory model where nonlinear frequency shifts in the plasmon evolution and formation of electromagnetic cascades by inelastic plasmon-photon scattering are accounted. The analytical temporal solution can be constructed in terms of Bessel functions and elliptic integrals. Implications of the results to the applications and further needs to refine the model are discussed. A suggestion for broadening the light spectrum in laserfusion is made.

Original languageEnglish
Pages (from-to)370 - 377
Number of pages8
JournalPhysica Scripta
Volume33
Issue number4
DOIs
Publication statusPublished - 1986
MoE publication typeNot Eligible

Fingerprint

Plasmon
plasma waves
Laser Beam
Plasma
laser beams
plasma heating
elliptic functions
Bessel functions
plasma currents
particle acceleration
frequency shift
suggestion
Elliptic integral
induction
cascades
Model Theory
Bessel Functions
electromagnetism
Cascade
Heating

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Salomaa, Rainer ; Karttunen, Seppo. / Application and generation of large amplitude plasma waves by beating of two intense laser beams. In: Physica Scripta. 1986 ; Vol. 33, No. 4. pp. 370 - 377.
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Application and generation of large amplitude plasma waves by beating of two intense laser beams. / Salomaa, Rainer; Karttunen, Seppo.

In: Physica Scripta, Vol. 33, No. 4, 1986, p. 370 - 377.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Salomaa, Rainer

AU - Karttunen, Seppo

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AB - Large amplitude plasma waves which can be created by beating two intense laser beams are applicable e.g., to particle acceleration, to induction of plasma currents, and to plasma heating. A central issue in these applications is the nonlinear behaviour of the plasmon. We present a theory model where nonlinear frequency shifts in the plasmon evolution and formation of electromagnetic cascades by inelastic plasmon-photon scattering are accounted. The analytical temporal solution can be constructed in terms of Bessel functions and elliptic integrals. Implications of the results to the applications and further needs to refine the model are discussed. A suggestion for broadening the light spectrum in laserfusion is made.

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JO - Physica Scripta

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