NASA NTRS · 19880032432
Submillimeter backward wave oscillators
Abstract
A NASA program for the development of backward wave oscillators (BWOs) for the 500-2000 GHz frequency range is discussed. The BWO operation is based on a periodic etched slow wave structure which supports the induced traveling electromagnetic wave. The present submillimeter wave BWOs will employ a variation of the folded wave guide, the interdigital line. The use of a noncompressed electron beam results in less thermal loading of the circuit, smaller magnetic focusing fields, and higher current density of the circuit interaction region. The diamond etching procedure is described. Aluminum will be used for the metallization of the diamonds.
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Dayton, J. A., Heinen, V. O., Stankiewicz, N., Wallett, T. M.. 1987-10-01. Submillimeter backward wave oscillators. https://ntrs.nasa.gov/citations/19880032432
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