Speaker
Description
The magnetron as an efficient RF source for a compact industrial SRF accelerator has been demonstrated at Jefferson Lab with industry partners. The performance of injection phase lock on two independent magnetron transmitters operated at 915MHz, in CW mode with maximum power of 75kW each delivering to water load has been demonstrated to satisfy its noise reduction, linearity control and stability requirements [1]. This industrial type magnetron has transformer and SCR rectifier on the DC anode power supply. With trim-current controlled high-power circulators, the low-level PLC controlled solenoid and filament currents and the high-level LabView controlled non-linearity, we are going to report the 2 times 75kW high power combining experiment result. Using WR975 magic-tee and injection drive and phase tuning techniques, the combing power and DC to RF efficiency can be optimize. We are also going to report our progress toward using a single magnetron of 75kW transmitter but operated at lower power rate (up to 35kW) for the compact accelerator’s fundamental power coupler pair’s multipacter processing.
Funding Agency
Authored by Jefferson Science Associates, LLC under U.S. DOE Contract No. DE-AC05-06OR23177, and DOE OS/ARDAP Accelerator Stewardship award 2024-2026
Footnotes
[1] doi: 10.18429/JACow-IPAC2024-TUPR39
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