Electron Acceleration by a radially polarised cosh-Gaussian laser beam in vacuum

doi:10.1088/1572-9494/ac02b6

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Communications in Theoretical Physics ›› 2021, Vol. 73 ›› Issue (9): 095502. doi: 10.1088/1572-9494/ac02b6

• Atomic, Molecular, Optical (AMO) and Plasma Physics, Chemical Physics • Previous Articles Next Articles

Electron Acceleration by a radially polarised cosh-Gaussian laser beam in vacuum

Jitender Singh¹,Jyoti Rajput¹,Harjit Singh Ghotra^1,²,Niti Kant^1,()

¹Department of Physics, Lovely Professional University, G.T. Road, Phagwara (144411), Punjab, India
²Extreme Light Infrastructure-Nuclear Physics(ELI-NP), Horia Hulubei NIPNE, 30 Reactorului Street, 077125 Magurele, Jud.Iifov, Romania

Received: 2021-03-25 Revised: 2021-05-18 Accepted: 2021-05-19 Published: 2021-09-01
Contact: Niti Kant E-mail:nitikant@yahoo.com

Abstract

Abstract:

In this paper, a radially polarised cosh-Gaussian laser beam (CGLB) is used to study the electron acceleration produced in vacuum. A highly energetic electron beam can be achieved by a CGLB, even with comparatively low-powered lasers. The properties of a CGLB cause it to focus earlier, over a shorter duration than a Gaussian laser beam, which makes it suitable for obtaining high energies over small durations. It is found that the energy gained by the electrons strongly depends upon the decentering parameter of the laser profile. It is also observed that for a fixed value of energy gain, if the decentering parameter is increased, then the intensity of the laser field decreases. The dependence of the energy gained by electrons on the laser intensity and the laser-spot size is also studied.

Key words: cosh-Gaussian laser beam, vacuum, electron acceleration, decentered parameter

Jitender Singh,Jyoti Rajput,Harjit Singh Ghotra,Niti Kant, Commun. Theor. Phys. 73 (2021) 095502.

Figures/Tables 4

References 27

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Electron Acceleration by a radially polarised cosh-Gaussian laser beam in vacuum

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