期刊
JOURNAL OF SYNCHROTRON RADIATION
卷 26, 期 -, 页码 685-691出版社
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S160057751900225X
关键词
XFELs; X-ray free-electron lasers; ultrafast lasers; pump-probe experiments
资金
- US Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-76SF00515]
Experimental methods that use free-electron laser (FEL) sources that can deliver short X-ray pulses below a 10fs pulse duration and traditional optical lasers are ideal tools for pump-probe experiments. However, these new methods also come with a unique set of challenges, such as how to accurately determine temporal overlap between two sources at the femtosecond scale and how to correct for the pulse-to-pulse beam property fluctuations of the FEL light derived from the self-amplified spontaneous emission process. Over the past several years of performing pump-probe experiments at the Linac Coherent Light Source (LCLS), new methods and tools have been developed to improve the ways experimental timing is measured, monitored and scanned. The aim of this article is to present an overview of the most commonly used techniques at LCLS to perform pump-probe-type experiments.
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