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Measurement of subpicosecond bunch lengths using coherent Smith-Purcell radiation
| Content Provider | Semantic Scholar |
|---|---|
| Author | Korbly, Stephen E. Kesar, Amit S. Temkin, Richard J. Brownell, James Hayden |
| Copyright Year | 2006 |
| Abstract | 1098-4402= We report the use of coherent Smith-Purcell radiation to measure the bunch length of femtosecondscale, 15 MeV electron bunches produced by a 17 GHz rf accelerator. The Smith-Purcell radiation was produced by passing a train of electron bunches above a metal grating. The radiation was verified as Smith-Purcell radiation by measuring the resonance condition, dependence on beam current, and dependence on beam height above the grating. Measurements of the intensity of the radiation vs emission angle were analyzed to obtain the bunch length. The accelerator was operated in two different modes, producing bunches that were determined to have bunch lengths of 600 and 1000 200 fs. These nondestructive bunch length measurements were found to agree well with an independent, but destructive, measurement using a microwave deflecting cavity. |
| Starting Page | 022802 |
| Ending Page | 022802 |
| Page Count | 1 |
| File Format | PDF HTM / HTML |
| DOI | 10.1103/PhysRevSTAB.9.022802 |
| Volume Number | 9 |
| Alternate Webpage(s) | https://www-internal.psfc.mit.edu/research/wab/pdfs/2006/Korbly.pdf |
| Alternate Webpage(s) | https://doi.org/10.1103/PhysRevSTAB.9.022802 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |