Speaker
Description
The Electron Cyclotron Resonance (ECR) ion sources at the 88-Inch Cyclotron have integrated several established microwave technologies to meet increasing plasma-heating requirements. This work reviews the vacuum electron devices employed at the facility, including klystrons, traveling-wave tubes, and gyrotrons for ECR plasma heating. Although solid-state amplifiers continue to advance, vacuum electron devices remain the preferred technology for multi-kilowatt continuous-wave microwave generation because of their higher available output power, greater efficiency, and superior tolerance to reflected power and plasma-induced load variations. Operational experience demonstrates that these technologies provide the stability and robustness required for reliable production of high-current and high-charge-state ion beams.
Funding Agency
Work supported by the Director, Office of Science, Office of Nuclear Physics, Division of Nuclear Physics, U.S. Department of Energy under Contract No. DE-AC02-05CH11231.
| Classification | MC1: New developments and status reports |
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