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THz generation by the beating of two high intense laser beams
Published online by Cambridge University Press: 01 March 2013
Abstract
The nonlinear coupling of two high-power laser beams in plasmas in the presence of a transverse, static electric field is investigated to generate a difference frequency terahertz (THz) radiation. The relativistic variation of electron mass in the presence of two high-power laser beams is responsible for producing a nonlinear current driving the THz radiation. For typical laser and plasma parameters, we report the efficiency of the order of ~10−4 for the current scheme.
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- Copyright © Cambridge University Press 2013
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