Propagation and amplification of microwave radiation in a plasma channel created in gas by a high-power femtosecond UV laser pulse
Plasma Physics Reports(2016)
Abstract
The time evolution of a nonequilibrium plasma channel created in a noble gas by a high-power femtosecond KrF laser pulse is investigated. It is shown that such a channel possesses specific electrodynamic properties and can be used as a waveguide for efficient transportation and amplification of microwave pulses. The propagation of microwave radiation in a plasma waveguide is analyzed by self-consistently solving (i) the Boltzmann kinetic equation for the electron energy distribution function at different spatial points and (ii) the wave equation in the parabolic approximation for a microwave pulse transported along the plasma channel.
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Key words
Microwave Radiation,Plasma Physic Report,Microwave Field,Terahertz Radiation,Microwave Pulse
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