Paper | Title | Page |
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THPRO035 | Improving and Maintaining FEL Beam Stability of the LCLS | 2943 |
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Funding: *Work supported by U.S. Department of Energy, Contract DE-AC02-76SF00515. The beam stability of the Linac Coherent Light Source (LCLS) has seen many improvements over the years and has matured to a state where progress is slow and maintaining the best stability is becoming the main challenge. Single sources which are identified by various means contribute to only about 10 to 20% of the whole jitter power, meaning that their elimination gives only a small improvement of 5 to 10%. New sources need to be identified fast. Especially slow variations of a few seconds to minutes time scale are often hidden and partially corrected by feedback systems. A few episodes of increased jitter have shown the limitations of some of the feedback systems. Stability for all dimensions, transverse, longitudinal, and intensity are presented. |
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DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-THPRO035 | |
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