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Proceedings Paper

Linear Stability Of Relativistic Space-Charge Flow In A Magnetically Insulated Transmission Line Oscillator
Author(s): Raymond W. Lemke
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Paper Abstract

The magnetically insulated transmission line oscillator (MILO) is a high power microwave device that combines the technologies of magnetically insulated electron flow and slow-wave tubes. This combination makes the MILO a unique and robust device capable of operating over a wide range of voltages. Microwaves are generated in the MILO via an unstable interaction between slow electromagnetic modes and space-charge waves. We present a linear analysis of this microwave instability that includes the physics of magnetically insulated electron flow. A dispersion relation is derived for transverse magnetic (TM) modes in a cylindrical MILO. The dispersion relation is solved numerically to obtain the MILO frequency spectrum and instability growth rates. We compare the linear theory results with numerical simulation, and obtain excellent agreement.

Paper Details

Date Published: 25 July 1989
PDF: 13 pages
Proc. SPIE 1061, Microwave and Particle Beam Sources and Directed Energy Concepts, (25 July 1989); doi: 10.1117/12.951788
Show Author Affiliations
Raymond W. Lemke, Air Force Weapons Laboratory (United States)

Published in SPIE Proceedings Vol. 1061:
Microwave and Particle Beam Sources and Directed Energy Concepts
Howard E. Brandt, Editor(s)

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