Electromagnetic Field Profiles Research Articles

Open resonator for quasi-optical gyrotrons: structure of the modes and their influence

Abstract The influence of the resonator geometry on the design of quasi-optical gyrotrons is presented. Basic equations and relevant properties of quasi-optical resonators are reviewed. Since confocal resonators radiate an equal amount of power from each mirror, non-confocal resonators have to be used in order to maximize the output-coupling on one side. Technical constraints on ohmic power losses and mirror diameter are discussed. Using numerical solutions of the quasi-optical resonator equations, the influence of the actual electromagnetic field profile on the electronic efficiency is calculated for several cases.

Transmission line fields

Calculated and measured transmission line electrostatic and electromagnetic fields are presented. The 30 line rotating E and B vectors are presented as vector loci and the phasor space potentials are presented as mappings. Lateral profiles of ground level electrostatic and electromagnetic fields are calculated and compared to measured values.