Ion source perturbation and control in intense laser plasma interaction

Ramakrishna, B. and Krishnamurthy, S. and Tayyab, M. and Bagchi, S. and Makur, K. and Trines, Raoul and Scott, Robbie and Robinson, Alex and Chakera, J. A. (2020) Ion source perturbation and control in intense laser plasma interaction. Matter and Radiation at Extremes, 5 (4). 045402. ISSN 2468-2047

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Abstract

We present here experimental results on the optimization of the mega-electronvolt ion source from the target front surface by using relativistic (1018 W/cm2) interactions with ultra-short laser pulses (50 fs). The source perturbation in the accelerated proton/ion beam was primarily controlled by the addition of a pre-pulse to main pulse contrast ratio. The 2D particle-in-cell simulations agreed well with the observed experimental results for the ion source perturbation and mitigation. This work provides insights into ion source perturbations (temporal and spatial) and the need to control them in intense laser-plasma interactions. Our results may assist in the efficient guiding of proton/ion beams to the core of fusion fuel or of ions in cancer therapy.

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IITH Creators:
IITH CreatorsORCiD
Ramakrishna, B.UNSPECIFIED
Krishnamurthy, S.UNSPECIFIED
Makur, K.UNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Ion source,plasma interaction
Subjects: Physics
Divisions: Department of Physics
Depositing User: . LibTrainee 2021
Date Deposited: 08 Jul 2021 07:14
Last Modified: 08 Jul 2021 07:14
URI: http://raiith.iith.ac.in/id/eprint/8176
Publisher URL: http://doi.org/10.1063/5.0004801
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