Plasma volume holograms for focusing and mode conversion of ultraintense laser pulses

G. Lehmann and K. H. Spatschek
Phys. Rev. E 100, 033205 – Published 6 September 2019

Abstract

Beating of a broad laser reference beam with a quite general focused object beam inside a plasma volume generates a dynamic plasma hologram. Both beams may be of moderate intensity. The volume hologram can be read out by an ultraintense main beam (of similar structure as the reference beam) producing an object beam replica. For the latter, intensity in the focus may become extremely large. As an application, the possibility of a read-out focused Gaussian laser pulse with intensity of several 1019W/cm2 in focus is shown by three-dimensional numerical simulations. Besides the focusing possibility, the hologram may also act as a mode converter for high-intensity laser pulses. Generating a plasma hologram with a focused Laguerre-Gaussian object beam results in a staggered plasma density grating, allowing the production of high-intensity vortex beam replica.

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  • Received 10 May 2019

DOI:https://doi.org/10.1103/PhysRevE.100.033205

©2019 American Physical Society

Physics Subject Headings (PhySH)

Plasma Physics

Authors & Affiliations

G. Lehmann and K. H. Spatschek

  • Institut für Theoretische Physik, Heinrich-Heine-Universität Düsseldorf, D–40225 Düsseldorf, Germany

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Issue

Vol. 100, Iss. 3 — September 2019

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