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In this paper, we present a novel position sensitive signal pickup scheme for a cavity BPM. The scheme utilizes the H-plane of the waveguide to couple magnetically to the side of the cavity, which results in a selective coupling to the dipole mode and a total rejection of the monopole mode. This scheme greatly simplifies the BPM geometry and relaxes machining tolerances. We will present detailed numerical studies on such a cavity BPM, analyze its resolution limit and tolerance requirements for a nanometer resolution. Finally present the measurement results of a X-band prototype.
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| Authors: |
Li, Zenghai;
Johnson, Ronald;
Smith, Stephen R.;
/SLAC;
Naito, Takashi;
/KEK, Tsukuba;
Rifkin, Jeffrey
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| Publication Date: | 2006 Jun 21 |
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| OSTI Identifier: | 884883 |
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| Report Number(s): | SLAC-PUB-11913 |
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| DOE Contract Number: | AC02-76SF00515 |
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| Resource Type: | Conference/Event |
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| Resource Relation: | Presented at Particle Accelerator Conference (PAC 03), Portland, Oregon, 12-16 May 2003 |
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| Research Org: | Stanford Linear Accelerator Center (SLAC) |
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| Sponsoring Org: | USDOE |
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| Country of Publication: | United States |
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| Language: | English |
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| Format: | Size: 3 pages |
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| Other Number(s): | TRN: US0603850 |
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| Subject: | 43 PARTICLE ACCELERATORS; ACCELERATORS; DIPOLES; GEOMETRY; MACHINING; MONOPOLES; RESOLUTION; TOLERANCE; WAVEGUIDES |
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| Related Subject: | Accelerators,ACCPHY, ACCSYS |
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| Availability: | http://www.slac.stanford.edu/cgi-wrap/pubpage?slac-pub-11913.html |
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| Update Date: | 2008 Feb 05 |
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