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A <italic>C</italic>-Band Relativistic Magnetron With a Slotted Circular Waveguide Extraction Structure
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DOI：10.1109/ted.2026.3707139.png)
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Abstract
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As the overall design of the relativistic magnetron (RM) tends toward compactness, improving the power capacity is of great importance. This article proposes a novel all-cavity extraction <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$C$ </tex-math></inline-formula>-band RM with a slotted circular waveguide extraction (SCWE) structure. While maintaining a compact external footprint, the proposed RM achieves a larger internal interaction space. This improves the power capacity and enhances the performance of the RM. In the experiment, under 380-kV voltage and 0.27 T, the output microwave power reaches 348 MW with a frequency of 5.66 GHz. Moreover, in repeated experiments, the RM outputs stable microwave signals with excellent performance. This study verifies the feasibility of the SCWE structure and provides a new approach for improving the power capacity of the RM.
Keywords:
All-cavity extraction structure
high-power microwave (HPM)
permanent magnet
relativistic magnetron (RM)
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3.2
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685
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3.7W
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