Abstract.
Harmonics generation of high-frequency radiation in a plasma embedded in a constant electric field is investigated theoretically. It is shown that the electron directed motion due to the static electric field yields the appearance in the plasma emission spectrum of high-frequency radiation even harmonics. The conditions are established when the even harmonics generation is as effective as that of the odd ones. At variance with the odd harmonics, the even harmonics polarization plane is found to rotate with respect to that of the fundamental field. The basic dependencies concerning the rotation angle and the generation efficiency on the plasma and field parameters are established.
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Received: 3 May 2004, Published online: 14 September 2004
PACS:
52.50.Jm Plasma production and heating by laser beams (laser-foil, laser-cluster, etc.) - 52.38.Dx Laser light absorption in plasmas (collisional, parametric, etc.)
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Ferrante, G., Zarcone, M. & Uryupin, S.A. Plasma radiation spectra in the presence of static electric and high-frequency radiation fields. Eur. Phys. J. D 31, 77–83 (2004). https://doi.org/10.1140/epjd/e2004-00119-x
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DOI: https://doi.org/10.1140/epjd/e2004-00119-x