Brillouin flow in recirculating planar magnetron

Author

Simon, David H. ; Lau, Y.Y. ; Franzi, Matthew ; Greening, Geoffrey ; Gilgenbach, Ronald M.

Author_Institution

Dept. of Nucl. Eng. & Radiol. Sci., Univ. of Michigan, Ann Arbor, MI, USA

fYear

2014

fDate

22-24 April 2014

Firstpage

383

Lastpage

384

Abstract

We examine the Brillouin flow in the conventional magnetron, inverted magnetron, and planar magnetron, with respect to the equilibrium, stability, and operating conditions. This renewed interest was prompted by our recent invention of the recirculating planar magnetron (RPM), where rapid startup utilizes the negative mass instability in the inverted magnetron configuration. Given that Brillouin flow is the most likely state in a crossed-field gap, and that various embodiments of the RPM consist of the conventional, inverted, and planar magnetron, it is necessary to study equilibrium, stability, and operating conditions at the same footing. To study startup, we solve the eigenvalue problem that governs the stability of Brillouin flow, including the effects of the resonant cavities that form the slow wave structures.

Keywords

cavity resonators; eigenvalues and eigenfunctions; magnetrons; slow wave structures; Brillouin flow; crossed-field gap; eigenvalue problem; inverted magnetron; negative mass instability; recirculating planar magnetron; resonant cavities; slow wave structures; Eigenvalues and eigenfunctions; Electric fields; Magnetic resonance; Numerical stability; Scattering; Stability analysis; Brillouin flow; Magnetron; Recirculating Planar Magnetron;

fLanguage

English

Publisher

ieee

Conference_Titel

Vacuum Electronics Conference, IEEE International

Conference_Location

Monterey, CA

Type

conf

DOI

10.1109/IVEC.2014.6857650

Filename

6857650