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Phase Matched Third Harmonic Generation of a Gaussian Laser Pulse in High-Density Quantum Plasma
American Journal of Modern Physics
Volume 5, Issue 5, September 2016, Pages: 154-161
Received: Jul. 22, 2016; Accepted: Aug. 10, 2016; Published: Oct. 6, 2016
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Nisha Singh Rathore, Department of Physics, University of Lucknow, Lucknow, India
Punit Kumar, Department of Physics, University of Lucknow, Lucknow, India
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Third harmonic generation due to linearly polarized Gaussian laser pulse propagating through quantum plasma immersed in transverse wiggler magnetic field is studied using the quantum hydrodynamic (QHD)model. The effects associated with the Fermi pressure, the Bohm potential and the electron spin have been taken into account.Wiggler magnetic field plays both a dynamic role in producing the harmonic current and a kinematical role in ensuring phase-matching. It is shown that the harmonic radiation attain the maximum valueat an instant when the phase matching is satisfied and thereafter decreases at later duration of laser pulse. The quantum effects also add to harmonic generation in the phase-matched case.
Quantum Plasma, Harmonic Generation, Phase Matching
To cite this article
Nisha Singh Rathore, Punit Kumar, Phase Matched Third Harmonic Generation of a Gaussian Laser Pulse in High-Density Quantum Plasma, American Journal of Modern Physics. Vol. 5, No. 5, 2016, pp. 154-161. doi: 10.11648/j.ajmp.20160505.16
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This article is an open access article distributed under the Creative Commons Attribution License ( which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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