Design and Cold Model Test of 500 MHz Damped Cavity for ASP Storage Ring RF System

TOSHIBA is manufacturing the storage ring RF system for the Australian Synchrotron Project(ASP). Two pairs of the 500MHz Higher Order Mode(HOM) damped cavities will be applied for this system. The cavity is a modified KEK-PF type with silicon-carbide(SiC) microwave absorber and has three rod-shaped...

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Bibliographic Details
Published inProceedings of the 2005 Particle Accelerator Conference pp. 3076 - 3078
Main Authors Watanabe, J., Nakayama, K., Sato, K., Suzuki, H., Jackson, A., LeBlanc, G.S., Zingre, K., Nakamura, N., Sakai, H., Takaki, H., Izawa, M., Koseki, T.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2005
Subjects
Application specific processors
Australia
Couplers
Damping
Impedance
Manufacturing
Radio frequency
Storage rings
Synchrotrons
System testing
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Summary:TOSHIBA is manufacturing the storage ring RF system for the Australian Synchrotron Project(ASP). Two pairs of the 500MHz Higher Order Mode(HOM) damped cavities will be applied for this system. The cavity is a modified KEK-PF type with silicon-carbide(SiC) microwave absorber and has three rod-shaped HOM couplers for damping the longitudinal HOM impedance less than 20kΩ/GHz to comply with ASP Performance Specification. The shunt impedance has been improved more than 5% in comparison with the original design by reducing the beam bore diameter without degrading HOM damping capability. The design of the cavity and the test results of an aluminum (Al) cold model are described.
ISBN:9780780388598
0780388593
ISSN:1944-4680
2152-9582
DOI:10.1109/PAC.2005.1591369