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Simple model of the rf noise generated by multipacting electrons

V. E. Semenov ; E. I. Rakova ; N. A. Zharova ; Joel Rasch (Institutionen för rymd- och geovetenskap, Plasmafysik och fusionsenergi) ; Dan Anderson (Institutionen för rymd- och geovetenskap, Plasmafysik och fusionsenergi) ; J. Puech
Journal of Physics D: Applied Physics (0022-3727). Vol. 47 (2014),
[Artikel, refereegranskad vetenskaplig]

A simplified analytical model is developed to predict the spectrum of electric current induced by the multipacting electrons between two parallel electrodes exposed to an rf voltage of fixed amplitude. The model is based on the resonant multipactor theory and makes it possible to calculate the relative spectral amplitudes of electric current at different harmonics and sub-harmonics of the applied rf frequency. The theoretical predictions are confirmed by numerical simulations of multipactor inside a rectangular waveguide. Specifically it is seen that the relative height of the spectral peaks decreases with increasing gap height.



Denna post skapades 2014-01-07. Senast ändrad 2014-09-02.
CPL Pubid: 191387

 

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Institutioner (Chalmers)

Institutionen för rymd- och geovetenskap, Plasmafysik och fusionsenergi (2013-2017)

Ämnesområden

Plasmafysik

Chalmers infrastruktur