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CW Superconducting RF Photoinjector Development for Energy Recovery Linacs

Journal Article · · Proceedings of Linear Accelerator Conference LINAC2010
OSTI ID:1043362
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ERLs have the powerful potential to provide very high current beams with exceptional and tailored parameters for many applications, from next-generation light sources to electron coolers. However, the demands placed on the electron source are severe. It must operate CW, generating a current of 100 mA or more with a normalized emittance of order 1 {micro}m rad. Beyond these requirements, issues such as dark current and long-term reliability are critical to the success of ERL facilities. As part of the BERLinPro project, Helmholtz Zentrum Berlin (HZB) is developing a CWSRF photoinjector in three stages, the first of which is currently being installed at HZB's HoBiCaT facility. It consists of an SRF-cavity with a Pb cathode and a superconducting solenoid. Subsequent development stages include the integration of a high-quantum-efficiency cathode and RF components for high-current operation. This paper discusses the first stage towards an ERL-suitable SRF photoinjector, the present status of the facility and first cavity tests.
Research Organization:
BROOKHAVEN NATIONAL LABORATORY (BNL)
Sponsoring Organization:
USDOE SC OFFICE OF SCIENCE (SC)
DOE Contract Number:
AC02-98CH10886
OSTI ID:
1043362
Report Number(s):
BNL--96666-2011-JA; KA-04
Journal Information:
Proceedings of Linear Accelerator Conference LINAC2010, Journal Name: Proceedings of Linear Accelerator Conference LINAC2010
Country of Publication:
United States
Language:
English

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Related Subjects

43 PARTICLE ACCELERATORS
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
CATHODES
ELECTRON SOURCES
ELECTRONS
ENERGY RECOVERY
HEAT EXCHANGERS
LIGHT SOURCES
LINEAR ACCELERATORS
RELIABILITY
RF SYSTEMS
SOLENOIDS
SUPERCONDUCTING MAGNETS