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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Marhauser, F. Glock, H.-W. Hulsmann, P. Kurz, M. Klein, H. |
| Copyright Year | 1997 |
| Description | Author affiliation: Inst. fur Angewandte Phys., Frankfurt Univ., Germany (Marhauser, F.) |
| Abstract | In resonant cavities which are connected via beam pipes fields usually tend to propagate with shrinking wavelengths. Nevertheless there may also exist some non-propagating resonant modes ("trapped modes") in the frequency range above the beam-pipe cut-off with relative high shunt impedances which are strongly localised in the inner part of a accelerating structure. Due to their field distributions these trapped modes can hardly be coupled to dampers at the ends of the cavity and therefore could have dangerous effects to beam dynamics. Their detection is very difficult, if one considers that they are embedded in a spectrum of several hundred resonant modes. We therefore started to search trapped modes in a 9-cell copper TESLA cavity. The principles of our method and results from measurements are presented in this paper. |
| Starting Page | 527 |
| Ending Page | 529 |
| File Size | 273897 |
| Page Count | 3 |
| File Format | |
| ISBN | 078034376X |
| DOI | 10.1109/PAC.1997.749745 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1997-05-16 |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Resonance Antenna measurements Frequency measurement Acceleration Optical coupling Copper Couplers Transmitting antennas Waveguide components Dielectric measurements |
| Content Type | Text |
| Resource Type | Article |
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