High Precision SC Cavity alignment Measurements with Higher Order Modes
Journal Article
·
· IOP: Measurement Science and Technology
Experiments at the FLASH linac at DESY have demonstrated that the higher order modes (HOMs) induced in superconducting cavities can be used to provide a variety of beam and cavity diagnostics. The centers of the cavities can be determined from the beam orbit which produces minimum power in the dipole HOM modes. The phase and amplitude of the dipole modes can be used as a high resolution beam position monitor. For most superconducting accelerators, the existing HOM couplers provide the necessary signals, and the downmix and digitizing electronics are straightforward, similar to those for a conventional BPM.
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 908756
- Report Number(s):
- SLAC-PUB-12349; MSTCEP; TRN: US0703758
- Journal Information:
- IOP: Measurement Science and Technology, Journal Name: IOP: Measurement Science and Technology; ISSN 0957-0233
- Country of Publication:
- United States
- Language:
- English
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