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| Title | RF Gun Dark Current Suppression with a Transverse Deflecting Cavity at LCLS | |||||
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| Abstract | A significant source of radiation signals in the LCLS Undulator have been identified as being generated by dark current emitted from the LCLS RF Photocathode Gun. Radiation damage to magnets over time can lead to degraded performance and significant cost for replacement. A method of using an existing transverse deflector cavity with a modified RF pulse has been tested and shows promise for eliminating the radiation dose from RF gun dark current that is generated in time before and after the production beam pulse. | |||||
| Footnotes & References | UNDULATOR RADIATION DAMAGE EXPERIENCE AT LCLS: H.-D. Nuhn, C. Field, S. Mao, Y. Levashov, M. Santana, J.N. Welch, Z. Wolf, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, U.S.A |
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| Funding | Work was supported by U.S. Department of Energy, Office of Basic Energy Sciences, under Contract DE-AC02-76SF00515. | |||||
| Paper | download WEP001.PDF [1.190 MB / 4 pages] | |||||
| Poster | download WEP001_POSTER.PDF [1.631 MB] | |||||
| Conference | FEL2015, Daejeon, Republic of Korea | |||||
| Series | International Free Electron Laser Conference (37th) | |||||
| Proceedings | Link to full FEL2015 Proccedings | |||||
| Session | Poster Session | |||||
| Date | 26-Aug-15 15:00–17:00 | |||||
| Main Classification | FEL Technology and HW: Gun, RF, Laser, Cathodes | |||||
| Keywords | undulator, radiation, FEL, cavity, gun | |||||
| Publisher | JACoW, Geneva, Switzerland | |||||
| Editors | Heung-Sik Kang (PAL, Pohang, Republic of Korea); Dong Eon Kim (PAL, Pohang, Republic of Korea); Volker RW Schaa (GSI, Darmstadt, Germany); | |||||
| ISBN | 978-3-95450-134-2 | |||||
| Published | December 2015 | |||||
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