Speaker
Description
The S-band electron linac and free-electron-laser facility at the University of Hawai‘i at Manoa is being recommissioned after an extended period of inactivity. Following the restoration of vacuum and thermionic cathode systems, recent work focused on the high-power RF chain and on conditioning of the linac and microwave electron gun. We report RF conditioning measurements obtained during progressive power-up sessions at 1-4~Hz, including forward power delivered to the linac and forward and reflected power at the microwave gun. The linac RF response is stable and consistent with legacy calibrations, while the gun exhibits strong multipacting signatures. To guide the next conditioning campaign, we also present the developing RF-Track model of the thermionic TM010 gun, incorporating field maps, space charge, and beam loading.
Funding Agency
This work is supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences and Office of Accelerator Research & Development and Production, under Contract No. DE-SC002
| Paper status | Resubmitted proceeding files received and assigned to an editor. Accepted. |
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