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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/10855728
Record Status
Checked
Record Id
10855728
Title
High voltage DC photoinjector development at Daresbury Laboratory
Contributors
Prof. AS Terekhov (Institute of Semiconductor Physics SB RAS, Novosibirsk, 630090, Russia)
,
Dr. HE Scheibler (Institute of Semiconductor Physics SB RAS, Novosibirsk, 630090, Russia)
,
Dr. KJ Middleman (STFC Daresbury Laboratory and Cockcroft Institute, Warrington, WA4 4AD, UK)
,
Mr. JW McKenzie (STFC Daresbury Laboratory and Cockcroft Institute, Warrington, WA4 4AD, UK)
,
Dr. LB Jones (STFC Daresbury Laboratory and Cockcroft Institute, Warrington, WA4 4AD, UK)
,
Mr. BD Fell (STFC Daresbury Laboratory and Cockcroft Institute, Warrington, WA4 4AD, UK)
,
Mr. RJ Cash (STFC Daresbury Laboratory and Cockcroft Institute, Warrington, WA4 4AD, UK)
,
Mr. I Burrows (STFC Daresbury Laboratory and Cockcroft Institute, Warrington, WA4 4AD, UK)
,
Dr. BL Militsyn (STFC Daresbury Laboratory and Cockcroft Institute, Warrington, WA4 4AD, UK) (Pr.Au.)
Abstract
STFC Daresbury Laboratory currently operates a 350 kV DC electron gun using caesiated GaAs photocathodes to provide bunches up to a nominal 80 pC up to an average current of 6.5 mA. This serves as the injector for ALICE (Accelerators and Lasers In Combined Experiments) - a 35 MeV energy recovery linac based on 1.3 GHz superconducting RF technology. An upgrade to the electron gun is under way to incorporate a three-chamber photocathode preparation facility forming a load-lock with the gun chamber. This will allow rapid changeover of photocathodes without breaking the gun vacuum and improve photocathode activation procedure. Initial results of the activation in the commissioned preparation facility have produced quantum efficiencies of up to 15 % at 635 nm. The status of the project and ongoing research and development is presented here.
Organisation
ASTeC
,
ASTeC-AP
,
ASTeC-VS
,
STFC
Keywords
Funding Information
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Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Report
ICFA Beam Dynamics Newsletter. 2010.
2010 ICFA Beam Dy…1, pages 161-170.pdf
2010
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