Degenerate four-wave mixing in plasmas

We report an analysis of degenerate four-wave mixing in uniform plasmas and show that the magnitude of the third-order susceptibility (varying as lambda(2)) can be comparable to (10(-11) esu for lambda = 10.6 microm) or orders of magnitude larger (10(-3) esu for lambda= 10 cm) than the corresponding...

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Veröffentlicht in:	Opt. Lett.; (United States) 1979-11, Vol.4 (11), p.363-365
Hauptverfasser:	Steel, D G, Lam, J F
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700108 - Fusion Energy- Plasma Research- Wave Phenomena COLLISIONLESS PLASMA DIFFERENTIAL EQUATIONS EQUATIONS EQUATIONS OF MOTION NONLINEAR PROBLEMS OPTICAL PROPERTIES PHYSICAL PROPERTIES PLASMA PLASMA DENSITY SIGNALS
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container_title	Opt. Lett.; (United States)
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creator	Steel, D G Lam, J F
description	We report an analysis of degenerate four-wave mixing in uniform plasmas and show that the magnitude of the third-order susceptibility (varying as lambda(2)) can be comparable to (10(-11) esu for lambda = 10.6 microm) or orders of magnitude larger (10(-3) esu for lambda= 10 cm) than the corresponding susceptibility in typical nonlinear materials. The nonlinear contribution to the macroscopic current resulting from the ponderomotive force is generated from the two-component fluid model by means of a linearized perturbation scheme. Numerical estimates of the nonlinear susceptibility show that relatively large signals can be produced easily without significant problems from competing physical phenomena such as self-focusing or stimulated Brillouin and Raman scattering.
doi_str_mv	10.1364/OL.4.000363
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The nonlinear contribution to the macroscopic current resulting from the ponderomotive force is generated from the two-component fluid model by means of a linearized perturbation scheme. Numerical estimates of the nonlinear susceptibility show that relatively large signals can be produced easily without significant problems from competing physical phenomena such as self-focusing or stimulated Brillouin and Raman scattering.</description><identifier>ISSN: 0146-9592</identifier><identifier>EISSN: 1539-4794</identifier><identifier>DOI: 10.1364/OL.4.000363</identifier><identifier>PMID: 19687905</identifier><language>eng</language><publisher>United States</publisher><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY ; 700108 - Fusion Energy- Plasma Research- Wave Phenomena ; COLLISIONLESS PLASMA ; DIFFERENTIAL EQUATIONS ; EQUATIONS ; EQUATIONS OF MOTION ; NONLINEAR PROBLEMS ; OPTICAL PROPERTIES ; PHYSICAL PROPERTIES ; PLASMA ; PLASMA DENSITY ; SIGNALS</subject><ispartof>Opt. 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subjects	70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700108 - Fusion Energy- Plasma Research- Wave Phenomena COLLISIONLESS PLASMA DIFFERENTIAL EQUATIONS EQUATIONS EQUATIONS OF MOTION NONLINEAR PROBLEMS OPTICAL PROPERTIES PHYSICAL PROPERTIES PLASMA PLASMA DENSITY SIGNALS
title	Degenerate four-wave mixing in plasmas
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