Dynamics of dark hollow Gaussian laser pulses in relativistic plasma

A. Sharma, S. Misra, S.K. Mishra, I. Kourakis

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)
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Abstract

Optical beams with null central intensity have potential applications in the field of atom optics. The spatial and temporal evolution of a central shadow dark hollow Gaussian (DHG) relativistic laser pulse propagating in a plasma is studied in this article for first principles. A nonlinear Schrodinger-type equation is obtained for the beam spot profile and then solved numerically to investigate the pulse propagation characteristics. As series of numerical simulations are employed to trace the profile of the focused and compressed DHG laser pulse as it propagates through the plasma. The theoretical and simulation results predict that higher-order DHG pulses show smaller divergence as they propagate and, thus, lead to enhanced energy transport.
Original languageEnglish
Article number063111
JournalPhysical Review E
Volume87
Issue number6
DOIs
Publication statusPublished - 25 Jun 2013

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