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To reduce the size and the weight of the relativistic magnetron (RM), a highly compact RM using an all cavity extraction and transparent cathode is investigated. Compared with the traditional… Click to show full abstract
To reduce the size and the weight of the relativistic magnetron (RM), a highly compact RM using an all cavity extraction and transparent cathode is investigated. Compared with the traditional RM design [Sayapin et al., IEEE Trans. Plasma Sci. 45(2), 6792062 (2017) and Sayapin and Shlapakovski, J. Appl. Phys. 109(6), 063301 (2011)] this configuration occupies only 0.55λ (radius) * 1.55λ (length). Both simulation and experimental results demonstrate that a microwave power of 508 MW is generated at 1.57 GHz when the input beam voltage is 369 kV and the corresponding efficiency is ∼33%. This provided work paths a way to finally achieve high power, high efficiency, and compact microwave sources.
Journal Title: Physics of Plasmas
Year Published: 2018
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