Pulse energy measurement at the SXR instrument

Moeller, Stefan; Brown, Garth; Dakovski, Georgi; Hill, Bruce; Holmes, Michael; Loos, Jennifer; Maida, Ricardo; Paiser, Ernesto; Schlotter, William; Turner, Joshua J.; Wallace, Alex; Jastrow, Ulf; Kreis, Svea; Sorokin, Andrey A.; Tiedtke, Kai

doi:10.1107/S1600577515006098

Title: Pulse energy measurement at the SXR instrument

Journal Article · Tue Apr 14 04:00:00 UTC 2015 · Journal of Synchrotron Radiation (Online)

DOI: https://doi.org/10.1107/S1600577515006098 · OSTI ID:1188715

Moeller, Stefan ^[1]; Brown, Garth ^[1]; Dakovski, Georgi ^[1]; Hill, Bruce ^[1]; Holmes, Michael ^[1]; Loos, Jennifer ^[1]; Maida, Ricardo ^[1]; Paiser, Ernesto ^[1]; Schlotter, William ^[1]; Turner, Joshua J. ^[1]; Wallace, Alex ^[1]; Jastrow, Ulf ^[2]; Kreis, Svea ^[2]; Sorokin, Andrey A. ^[3]; Tiedtke, Kai ^[2]

SLAC National Accelerator Laboratory, Menlo Park, CA (United States)
DESY, Hamburg (Germany)
DESY, Hamburg (Germany); Ioffe Physico-Technical Inst., St. Petersburg (Russia)

A gas monitor detector was implemented and characterized at the Soft X-ray Research (SXR) instrument to measure the average, absolute and pulse-resolved photon flux of the LCLS beam in the energy range between 280 and 2000 eV. The detector is placed after the monochromator and addresses the need to provide reliable absolute pulse energy as well as pulse-resolved measurements for the various experiments at this instrument. This detector provides a reliable non-invasive measurement for determining flux levels on the samples in the downstream experimental chamber and for optimizing signal levels of secondary detectors and for the essential need of data normalization. The design, integration into the instrument and operation are described, and examples of its performance are given.

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Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Contributing Organization:: Linac Coherent Light Source

OSTI ID:: 1188715

Journal Information:: Journal of Synchrotron Radiation (Online), Journal Name: Journal of Synchrotron Radiation (Online) Journal Issue: 3 Vol. 22; ISSN 1600-5775; ISSN JSYRES

Publisher:: International Union of CrystallographyCopyright Statement

Country of Publication:: United States

Language:: English

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Short-wavelength free-electron laser sources and science: a review Seddon, E. A.; Clarke, J. A.; Dunning, D. J. Reports on Progress in Physics, Vol. 80, Issue 11 https://doi.org/10.1088/1361-6633/aa7cca	journal	October 2017
Linac Coherent Light Source: The first five years Bostedt, Christoph; Boutet, Sébastien; Fritz, David M. Reviews of Modern Physics, Vol. 88, Issue 1 https://doi.org/10.1103/revmodphys.88.015007	journal	March 2016
The Soft X-ray Research instrument at the Linac Coherent Light Source Dakovski, Georgi L.; Heimann, Philip; Holmes, Michael Journal of Synchrotron Radiation, Vol. 22, Issue 3 https://doi.org/10.1107/s160057751500301x	journal	April 2015
The Linac Coherent Light Source White, William E.; Robert, Aymeric; Dunne, Mike Journal of Synchrotron Radiation, Vol. 22, Issue 3 https://doi.org/10.1107/s1600577515005196	journal	April 2015
Combining THz laser excitation with resonant soft X-ray scattering at the Linac Coherent Light Source Turner, Joshua J.; Dakovski, Georgi L.; Hoffmann, Matthias C. Journal of Synchrotron Radiation, Vol. 22, Issue 3 https://doi.org/10.1107/s1600577515005998	journal	April 2015
An X-ray gas monitor for free-electron lasers Sorokin, Andrey A.; Bican, Yilmaz; Bonfigt, Susanne Journal of Synchrotron Radiation, Vol. 26, Issue 4 https://doi.org/10.1107/s1600577519005174	journal	June 2019
Short-wavelength free-electron laser sources and science: a review Seddon, E. A.; Clarke, J. A.; Dunning, D. J. Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2018-00596	text	January 2017
An X-ray gas monitor for free-electron lasers Sorokin, Andrey A.; Bican, Yilmaz; Bonfigt, Susanne Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2019-02388	text	January 2019

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