Takuji Kimura, J. Atkinson, B. Brar, R. Borwick, Carol Chen, M. Field, T. Grant, T. Hunter
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Development of a 220 GHz, 50 W sheet-beam traveling wave tube
We report on the design and fabrication of a sheet beam traveling-wave tube (TWT) amplifier being developed under the DARPA HiFIVE program. The device is designed to achieve over 50 W output power at 220 GHz with a power-bandwidth product exceeding 1 kW-GHz.