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Exploring sin-Gaussian laser pulses for efficient electron acceleration in plasma

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Abstract

Laser Wakefield Acceleration (LWFA) has emerged as a groundbreaking approach for generating ultra-high energy electron beams over short distances, revolutionizing the field of particle acceleration. In this paper, we investigate the novel concept of employing sin-Gaussian laser pulse for enhanced LWFA performance. sin-Gaussian pulses combine the advantageous features of both sinusoidal and Gaussian pulse shapes, offering unique opportunities for generating the plasma wakefield and optimizing electron acceleration. We present a comprehensive theoretical analysis of the interaction between a sin-Gaussian laser pulse and an underdense plasma medium, elucidating the intricate dynamics of the wakefield excitation and electron acceleration. Through analytical study, we demonstrate that the sin-Gaussian pulse configuration leads to a significant energy gain (Maximum gain of 2.06 GeV with chosen parameters) for plasma electrons. Furthermore, we explore the effects of varying key parameters such as the laser electric field amplitude and beam waist on the acceleration performance. Our findings reveal the underlying physics governing the interplay between these parameters and the resulting electron energy spectra for LWFA outcomes.

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The data that support the findings of this study are available from the corresponding authors upon reasonable request.

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Authors and Affiliations

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

    Vivek Sharma & Vishal Thakur

  2. Department of Physics, University of Allahabad, Prayag Raj, Uttar Pradesh, India

    Niti Kant

Authors
  1. Vivek Sharma
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  2. Niti Kant
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  3. Vishal Thakur
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Contributions

VS: derivation, methodology, analytical modeling, and graph plotting; NK: numerical analysis and result discussion; VT: supervision, reviewing, and editing.

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Correspondence to Vishal Thakur.

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Sharma, V., Kant, N. & Thakur, V. Exploring sin-Gaussian laser pulses for efficient electron acceleration in plasma. Opt Quant Electron 56, 601 (2024). https://doi.org/10.1007/s11082-023-06262-x

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