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X-ray absorption spectroscopy using a self-seeded soft X-ray free-electron laser

  • X-ray free electron lasers (XFELs) enable unprecedented new ways to study the electronic structure and dynamics of transition metal systems. L-edge absorption spectroscopy is a powerful technique for such studies and the feasibility of this method at XFELs for solutions and solids has been demonstrated. However, the required x-ray bandwidth is an order of magnitude narrower than that of self-amplified spontaneous emission (SASE), and additional monochromatization is needed. Here we compare L-edge x-ray absorption spectroscopy (XAS) of a prototypical transition metal system based on monochromatizing the SASE radiation of the linac coherent light source (LCLS) with a new technique based on self-seeding of LCLS. We demonstrate how L-edge XAS can be performed using the self-seeding scheme without the need of an additional beam line monochromator. We show how the spectral shape and pulse energy depend on the undulator setup and how this affects the x-ray spectroscopy measurements. (C) 2016 Optical Society of America

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Author details:Thomas Kroll, Jan Kern, Markus Kubin, Daniel Ratner, Sheraz Gul, Franklin D. Fuller, Heike Löchel, Jacek Krzywinski, Alberto Lutman, Yuantao Ding, Georgi L. Dakovski, Stefan Moeller, Joshua J. Turner, Roberto Alonso-Mori, Dennis L. Nordlund, Jens Rehanek, Christian Weniger, Alexander Firsov, Maria Brzhezinskaya, Ruchira Chatterjee, Benedikt Lassalle-Kaiser, Raymond G. Sierra, Hartawan Laksmono, Ethan Hill, Andrew S. Borovik, Alexei Erko, Alexander FöhlischORCiDGND, Rolf MitznerORCiDGND, Vittal K. Yachandra, Junko Yano, Philippe Wernet, Uwe Bergmann
DOI:https://doi.org/10.1364/OE.24.022469
ISSN:1094-4087
Pubmed ID:https://pubmed.ncbi.nlm.nih.gov/27828320
Title of parent work (English):Optics express : the international electronic journal of optics
Publisher:Optical Society of America
Place of publishing:Washington
Publication type:Article
Language:English
Year of first publication:2016
Publication year:2016
Release date:2020/03/22
Volume:24
Number of pages:12
First page:22469
Last Page:22480
Funding institution:Human Frontiers Science Project [RGP0063/2013]; National Institute of Health (NIH) [GM116423, GM110501, GM55302, P41GM103393]; Department of Energy (DOE), Office of Science, Office of Basic Energy Sciences (OBES) [DE-AC02-05CH11231, DE-AC02-76SF00515]; Federal Ministry of Education and Research (BMBF) [05K12CB4]; European Community [PCIG10-GA-2011-297905]; Helmholtz Virtual Institute "Dynamic Pathways in Multidimensional Landscapes"; LCLS; Stanford University through the Stanford Institute for Materials Energy Sciences (SIMES); Lawrence Berkeley National Laboratory (LBNL); University of Hamburg through the BMBF [FSP 301]; Center for Free Electron Laser Science (CFEL); U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-76SF00515]; DOE Office of Biological and Environmental Research; National Institutes of Health, National Institute of General Medical Sciences [P41GM103393]
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Peer review:Referiert
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