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Influence of implementing straps on pulsed relativistic magnetron operation

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1928/20979

Influence of implementing straps on pulsed relativistic magnetron operation

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Title: Influence of implementing straps on pulsed relativistic magnetron operation
Author: Galbreath, David R.
Advisor(s): Schamiloglu, Edl
Prasad, Sarita
Committee Member(s): Gilmore, Mark
Department: University of New Mexico. Dept. of Electrical and Computer Engineering
Subject: magnetron
strap
LC Subject(s): Magnetrons.
Degree Level: Masters
Abstract: A simulation study on the effect of applying straps to an A6 relativistic magnetron was conducted to determine potential use in reducing mode competition. Several strap configurations were evaluated against the basic anode-endcap geometry of the A6 magnetron as well as the open anode geometry. The effect of cathode radius on the primary mode of oscillation was also investigated in an effort to determine whether the use of straps could reduce mode competition. Typically the magnetron oscillates in the π-mode at small cathode radii and 2π-mode at large radii. In general, strapping appears to offer several advantages for use in the A6 magnetron. For conditions where the A6 performs well, replacing the anode endcaps with either a double strap or a single strap tied to each vane produced 10-15% greater output power with an increase in operating efficiency as well. For conditions where the A6 does not perform well, such as when employing a small radius cathode, the double strap reduced the mode competition observed in many cases.
Graduation Date: July 2012
URI: http://hdl.handle.net/1928/20979


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