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Radially Polarized Laser-Induced Electron Acceleration in Vacuum

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Abstract

Enhanced electron acceleration due to tightly focused (TF) short-intense radially polarized (RP) Gaussian laser pulse in vacuum has been investigated. An axicon optical lens is utilized to accomplish a TF laser beam. The TF-RP laser fields are truncated to fifth order in diffraction angle. The innate and attractive symmetry of the tightly focused RP laser pulse imposes the trapping of electrons in the route of the laser propagation throughout laser–electron interaction. The applied axial magnetic field further ensures the enhancement in ponderomotive strength, pushing the electron in the expediting phase up to longer distances. Utilizing the optimum parameters of RP laser and magnetic field, noteworthy augmentation in the electron acceleration up to GeV range is obtained. The electron energy gain variations are plotted and analyzed for initial laser intensity, initial phase, electron initial energy and applied magnetic field parameters.

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Author notes

  1. Niti Kant

    Present address: Department of Physics, University of Allahabad, Prayagraj, U.P., 211002, India

Authors and Affiliations

  1. Department of Physics, Lovely Professional University, G.T. Road, Phagwara, Punjab, 144411, India

    Jyoti Rajput, Harjit Singh Ghotra & Niti Kant

  2. Department of Physics, Shivaji College, University of Delhi, Raja Garden, New Delhi, 110027, India

    Shiv Shankar Gaur

  3. Department of Physics, Sunrise University Campus, Alwar, Rajasthan, 301028, India

    Pramod Kumar

Authors
  1. Jyoti Rajput
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  2. Harjit Singh Ghotra
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  3. Pramod Kumar
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  4. Shiv Shankar Gaur
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  5. Niti Kant
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Correspondence to Niti Kant.

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Physics A. Zakery.

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Rajput, J., Ghotra, H.S., Kumar, P. et al. Radially Polarized Laser-Induced Electron Acceleration in Vacuum. Iran J Sci 47, 1397–1405 (2023). https://doi.org/10.1007/s40995-023-01479-7

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  • DOI: https://doi.org/10.1007/s40995-023-01479-7

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