RF breakdown experiments at SLAC
Conference
·
OSTI ID:330579
- Stanford Linear Accelerator Center, Menlo Park, CA (United States)
- Univ. of California, Davis, CA (United States)
The Next Linear Collider (NLC) design that is currently being developed at Stanford Linear Accelerator Center (SLAC) requires the X-band RF structures to support significant RF electric fields. The klystron RF sources for the NLC require lower E fields but also have lower breakdown thresholds. The goals of the program are to improve RF breakdown thresholds, to identify the cause of the lower breakdown thresholds in klystron cavities vs accelerator cavities, and to develop a set of protocols for manufacturing that will yield the highest breakdown levels for all NLC components. SLAC`s X-band resonant ring is being used to test a series of RF breakdown cavities. Early tests were performed on a series of TM{sub 010} cavities. A new TM{sub 020} cavity has been designed with demountable noses that will allow accurate, pre and post breakdown evaluation of the high field surfaces. In parallel with the breakdown tests, the RF component manufacturing processes are being examined to determine their effects on the potential emission sites that trigger RF breakdown.
- Sponsoring Organization:
- Department of the Air Force, Washington, DC (United States); USDOE, Washington, DC (United States)
- OSTI ID:
- 330579
- Report Number(s):
- CONF-970559--
- Country of Publication:
- United States
- Language:
- English
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