A technical review and appraisal of ongoing basic research in vacuum and plasma mm-wave sources sponsored by the Air Force Office of Scientific Research (AFOSR) will be presented. In all, the work of more than a dozen leading scientific laboratories will be discussed. Emphasis will be placed on individual project goals, recent results, and important technical issues.
R. J. Barker,
"New Directions In MMW Vacuum Electronics Research", Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); doi: 10.1117/12.951125; https://doi.org/10.1117/12.951125