Effect of transverse wiggler magnetic field on the growth rate of Raman backscattering of X-mode laser in rippled density plasma

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Dwivedi Manish; MALIK HITENDRA K.

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Journal Paper

Paper Information

Journal: JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL) Year:2022 | Volume:16 | Issue:2 Page(s): 0-0

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Information Journal Paper

Title

Effect of transverse wiggler magnetic field on the growth rate of Raman backscattering of X-mode laser in rippled density plasma

Author(s)

Dwivedi Manish | MALIK HITENDRA K. | Issue Writer Certificate

Keywords

Raman scattering (RBS)

Wiggler field

UHW

Growth rate

Suppression of instability

Abstract

A problem of Raman backscattering of laser beam propagating in a transversely wiggler magnetized plasma is considered in the presence of density ripples. Required dispersion relation of excited upper hybrid wave is derived by using the fluid model and taking into account the coupling between primary upper hybrid wave and density ripples. Using wave equation and nonlinear ponderomotive force and considering the coupling between the sideband wave and the upper hybrid wave, an expression of Growth rate of this instability is obtained. The calculations demonstrate that the Growth rate decreases by increasing the external magnetic field since the coupling between the scattered wave and upper-hybrid wave is weak and phase matching condition is not well-satisfied for higher external magnetic field. We have observed that instability is suppressed due to the presence of density ripples. Also, the suppression is significant for the case of small wave number density ripples as large faction of energy of upper hybrid electron wave transfers to the secondary hybrid electron wave.

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APA: Copy

Dwivedi, Manish, & MALIK, HITENDRA K.. (2022). Effect of transverse wiggler magnetic field on the growth rate of Raman backscattering of X-mode laser in rippled density plasma. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), 16(2), 0-0. SID. https://sid.ir/paper/1064784/en

Vancouver: Copy

Dwivedi Manish, MALIK HITENDRA K.. Effect of transverse wiggler magnetic field on the growth rate of Raman backscattering of X-mode laser in rippled density plasma. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL)[Internet]. 2022;16(2):0-0. Available from: https://sid.ir/paper/1064784/en

IEEE: Copy

Manish Dwivedi, and HITENDRA K. MALIK, “Effect of transverse wiggler magnetic field on the growth rate of Raman backscattering of X-mode laser in rippled density plasma,” JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), vol. 16, no. 2, pp. 0–0, 2022, [Online]. Available: https://sid.ir/paper/1064784/en

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