1 December 1990 Depressed collector performance on the NRL quasioptical gyrotron
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Proceedings Volume 1514, 15th International Conference on Infrared and Millimeter Waves; 15142L (1990) https://doi.org/10.1117/12.2301503
Event: 15th International Conference on Infrared and Millimeter Waves, 1990, Orlando, FL, United States
Abstract
A simple, single-stage collector has been tested on the quasioptical gyrotron (QOG) experiment at the Naval Research Laboratory (NRL). This is the first application of a depressed collector to a high-power gyrotron, and was relatively easily accomplished due to the natural separation of the electron beam and the output power in the QOG. Collector efficiencies as high as 50% and overall efficiencies up to 16.1% were observed. The output power reached 431 kW with an overall efficiency of 12.7% and a collector efficiency of 40.7%. The collector efficiency was limited in this experiment due to interception of a portion of the electron beam on an undepressed section of the beam guide.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
T. A. Hargreaves, T. A. Hargreaves, } "Depressed collector performance on the NRL quasioptical gyrotron", Proc. SPIE 1514, 15th International Conference on Infrared and Millimeter Waves, 15142L (1 December 1990); doi: 10.1117/12.2301503; https://doi.org/10.1117/12.2301503
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