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Title: Second harmonic generation by propagation of a p-polarized obliquely incident laser beam in underdense plasma

An analytical study of second harmonic generation due to interaction an intense, p-polarized laser beam propagating obliquely in homogeneous underdense plasma, in the mildly relativistic regime, has been presented. The efficiency of the second harmonic radiation as well as its detuning length has been obtained and their variation with the angle of incidence is analyzed. It is shown that, for a given plasma electron density, the second harmonic efficiency increases with the angle of incidence while the detuning length decreases. The second harmonic amplitude vanishes at normal incidence of the laser beam.
Authors:
;  [1]
  1. Department of Physics, University of Lucknow, Lucknow-226007 (India)
Publication Date:
OSTI Identifier:
22300162
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 21; Journal Issue: 5; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; AMPLITUDES; BEAMS; EFFICIENCY; ELECTRON DENSITY; HARMONIC GENERATION; INCIDENCE ANGLE; LASERS; LENGTH; PLASMA; RELATIVISTIC RANGE