Optimal Operating Conditions Based on Mode Competition for Maximum Efficiency of Double-Strapped Magnetron

A magnetron is used as a core element in various fields such as environment, medical, and space, and in high-power microwave (HPM) for electromagnetic compatibility (EMC). Therefore, the efficient design of the magnetron is important for a system to function. This paper describes the optimal operati...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2019-07, Vol.47 (7), p.3160-3167
Main Authors: Han, Jung-Hoon, Ryu, Seung-Kab
Format: Article
Language:English
Subjects:
<italic xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">L -band
Anodes
Cavity resonators
Competition
CST-particle studio (CST-PS)
Cyclotron frequency
Cyclotrons
double-strapped
Efficiency
Electromagnetic compatibility
high-power microwave (HPM)
L-band
Magnetic cores
Magnetic separation
magnetron
maximum efficiency
Microwaves
mode competition
Oscillators
Particle in cell technique
particle-in-cell (PIC)
π-mode
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Summary:A magnetron is used as a core element in various fields such as environment, medical, and space, and in high-power microwave (HPM) for electromagnetic compatibility (EMC). Therefore, the efficient design of the magnetron is important for a system to function. This paper describes the optimal operating conditions to design L -band double-strapped magnetron with the maximum efficiency. We analyze the relationship between mode competition and operating points for \pi -mode oscillation. Understanding the phenomenon that all formable modes compete with each other based on the force from the E -field for each mode and the cyclotron frequency in a given operating condition, we find the operating conditions for maximum efficiency of the magnetron. Simulations are performed using a particle-in-cell (PIC) solver of a highly reliable CST-particle studio (PS) tool, and the details are explained. In addition, various output characteristics of the operating conditions of the magnetron are described.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2019.2916193