Title :
Microwave generation by a virtual cathode enclosed in a circular cavity placed transversally in a cylindrical waveguide
Author :
Santos, Alexandre L. ; Filho, Benedito S Araujo ; Barroso, Joaquim J. ; Maciel, Homero S.
Author_Institution :
Aeronaut. & Space Inst., Sao Jose dos Campos
Abstract :
It is examined a vircator with a circular cavity placed transversally in a cylindrical waveguide driven by two counter-streaming electron beams. Results from three-dimensional particle-in-cell (PIC) simulations show a conversion efficiency of 32.0%.
Keywords :
cathodes; cavity resonators; microwave generation; vircators; waveguides; 3D particle-in-cell simulation; circular cavity; counter-streaming electron beams; cylindrical waveguide; microwave generation; vircator; virtual cathode; Cathodes; Electromagnetic waveguides; Electron beams; High power microwave generation; Microwave devices; Microwave generation; Power generation; Radio frequency; Resonance; Space technology; high-power microwaves; resonant cavities; space-charge-limited current; vircator;
Conference_Titel :
Vacuum Electronics Conference, 2008. IVEC 2008. IEEE International
Conference_Location :
Monterey, CA
Print_ISBN :
978-1-4244-1715-5
DOI :
10.1109/IVELEC.2008.4556536
