An improved thermionic microwave gun and emittance-preserving transport line
Conference
·
OSTI ID:10177196
The positron/electron linac for the Advanced Photon Source (APS) at Argonne National Laboratory can be used to accelerate electrons to 650 MeV. As part of a project to use this linac to test the quality of insertion devices, work has been done to develop a higher-brightness thermionic microwave gun of the SSRL type. The new gun design has smaller emittance by a factor of 3 to 4. The ratio of cathode field to maximum surface field is more than doubled. The new alpha-magnet-based transport line design produces negligible emittance degradation due to chromatic aberrations, in spite of the {plus_minus}5% momentum spread.
- Research Organization:
- Argonne National Lab., IL (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 10177196
- Report Number(s):
- ANL/ASD/CP--78293; CONF-930511--314; ON: DE93017739
- Country of Publication:
- United States
- Language:
- English
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