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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Minami, K. Kobayashi, S. Tanaka, K. Yoshida, N. Granatstein, V.L. |
| Copyright Year | 1998 |
| Description | Author affiliation: Graduate Sch. of Sci. & Technol., Niigata Univ., Japan (Minami, K.) |
| Abstract | Summary form only given. A linear dispersion relation of beam loaded slow wave structure (SWS) with finite strength guiding axial magnetic field is derived and analyzed numerically. In most theoretical analyses of high power backward wave oscillators (BWO's), the axial magnetic field to guide electron beam in the SWS has been assumed to be infinitely large. In the present paper, we derive an exact linear dispersion relation for a finite magnetic field in which space charge modes, cyclotron modes and the structure modes can interact resonantly. We consider an axisymmetric mode in an infinitely long SWS with sinusoidally corrugated metal wall in the axial direction. A solid cylindrical beam is present on the axis. The dielectric tensor in the beam region has 9 non-zero components. Coupled ordinary and extra-ordinary modes must exist to satisfy boundary conditions at the beam and metal surfaces. We assume practical size and beam parameters that have been studied in the University of Maryland and Niigata University. |
| File Size | 106888 |
| File Format | |
| ISBN | 0780347927 |
| ISSN | 07309244 |
| DOI | 10.1109/PLASMA.1998.677671 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1998-06-01 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Dispersion Magnetic fields Magnetic analysis Oscillators Electron beams Space charge Cyclotrons Magnetic resonance Solids Dielectrics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering |
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