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Resonance scattering and generation of oscillations by channeling nonlinear layered media |
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| Authors: | L. Angermann V. F. Kravchenko V. I. Pustovoyt V. V. Yatsyk |
| Affiliation: | 1. University of Technology at Clausthal, Erzstrasse 1, D-38678, Clausthal-Zellerfeld, Germany 2. Kotel’nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Mokhovaya ul. 11, Moscow, 103907, Russia 3. Scientific-Technological Center for Unique Instrument-Making, Russian Academy of Sciences, ul. Butlerova 15, Moscow, 117342, Russia 4. O.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine, ul. Akademika Proskury, Kharkiv, 61085, Ukraine |
| Abstract: | For the first time within the framework of a self-consistent analysis of the process of resonant scattering and generation of oscillations by a channeling nonlinear layer it is shown that the imaginary part of the nonlinear component of the permittivity, induced by the intensity of the incident field, takes both positive and negative values along the height of the layer. The variation of this quantity characterizes the loss of energy in the nonlinear medium which is spent for the generation of the electromagnetic field at the higher harmonics. The consideration of a weak excitation field at a multiple frequency leads merely to an increase of the portion of generated energy. |
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