Abstract:A 1 MW, 140 GHz gyrotron with diamond window for continuous wave operation and with a single-stage depressed collector has been designed and constructed in collaboration with CRPP Lausanne and TTE Velizy. It operates in the TE28,8 cavity mode and provides a linearly polarized TEM0,O beam. The gyrotron consists of a magnetron injection gun, an improved cavity, an optimized non-linear up-taper and an improved launcher. RF power measurements at short pulse lengths gave 0.65 MW output power. In long pulse operatio… Show more
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