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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/1719

Title: Second-harmonic generation of laser radiation in a plasma with a density ripple
Authors: Parashar, J
Pandey, H D
Keywords: density ripple
perturbation couple
second-harmonic electromagnetic
resonant enhancement
Issue Date: 1992
Citation: Plasma Science, IEEE Transactions on, 20(6), 996 - 999p.
Abstract: High-power laser radiation with frequency ω1 and wave vector k1zˆ propagating through a plasma at an angle to a density ripple (0,k&oarr;0) produces current and density perturbation at (ω1,k &oarr;1+k&oarr;0). The density perturbation couples with the oscillatory velocity at (ω1 ,k&oarr;1) to produce nonlinear current at [2ω1, (2k&oarr;1+k&oarr; 0)] driving second-harmonic electromagnetic radiation. For a specific value of ripple wave number k0=k 0c, the phase-matching conditions for the second-harmonic process are satisfied, leading to resonant enhancement in the efficiency of energy conversion, k0c decreases with the frequency ω1 of the laser
URI: http://eprint.iitd.ac.in/dspace/handle/2074/1719
Appears in Collections:Energy Studies [CES]

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