Intense tera-hertz laser driven proton acceleration in plasmas

A. Sharma, Z. Tibai, J. Hebling

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We investigate the acceleration of a proton beam driven by intense tera-hertz (THz) laser field from a near critical density hydrogen plasma. Two-dimension-in-space and three-dimension-in-velocity particle-in-cell simulation results show that a relatively long wavelength and an intense THz laser can be employed for proton acceleration to high energies from near critical density plasmas. We adopt here the electromagnetic field in a long wavelength (0.33 THz) regime in contrast to the optical and/or near infrared wavelength regime, which offers distinct advantages due to their long wavelength (λ = 350 μ m), such as the λ 2 scaling of the electron ponderomotive energy. Simulation study delineates the evolution of THz laser field in a near critical plasma reflecting the enhancement in the electric field of laser, which can be of high relevance for staged or post ion acceleration.

Original languageEnglish
Article number063111
JournalPhysics of Plasmas
Volume23
Issue number6
DOIs
Publication statusPublished - Jun 1 2016

ASJC Scopus subject areas

  • Condensed Matter Physics

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