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Title: Measurement of the absolute number of photons of the hard X-ray beamline at the Linac Coherent Light Source

Abstract

X-ray free-electron lasers provide intense pulses of coherent X-rays with a short pulse duration. These sources are chaotic by nature and therefore, to be used at their full potential, require that every X-ray pulse is characterized in terms of various relevant properties such as intensity, photon energy, position and timing. Diagnostics are for example installed on an X-ray beamline to specifically monitor the intensity of individual X-ray pulses. To date, these can however only provide a single-shot value of the relative number of photons per shot. Here are reported measurements made in January 2015 of the absolute number of photons in the hard X-ray regime at LCLS which is typically 3.5 × 1011 photons shot–1 between 6 and 9.5 keV at the X-ray Pump–Probe instrument. Moreover, an average transmission of ≈62% of the hard X-ray beamline over this energy range is measured and the third-harmonic content of ≈0.47% below 9 keV is characterized.

Authors:
ORCiD logo [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [2];  [3];  [3];  [3];  [4];  [5];  [6];  [7];  [7] more »;  [7];  [7];  [1] « less
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  4. Physikalisch-Technische Bundesanstalt, Berlin (Germany)
  5. RIKEN SPring-8 Center, Hyogo (Japan)
  6. RIKEN SPring-8 Center, Hyogo (Japan); Japan Synchrotron Radiation Research Institute, Hyogo (Japan)
  7. RIKEN SPring-8 Center, Hyogo (Japan); National Institute of Advanced Industrial Science and Technology, Tsukuba (Japan)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1505633
Alternate Identifier(s):
OSTI ID: 1514705
Report Number(s):
BNL-211683-2019-JAAM
Journal ID: ISSN 1600-5775; JSYRES
Grant/Contract Number:  
AC02-76SF00515; SC0012704
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Synchrotron Radiation (Online)
Additional Journal Information:
Journal Name: Journal of Synchrotron Radiation (Online); Journal Volume: 26; Journal Issue: 2; Journal ID: ISSN 1600-5775
Publisher:
International Union of Crystallography
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; FEL; hard X-rays; absolute intensity; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Song, Sanghoon, Alonso-Mori, Roberto, Chollet, Matthieu, Feng, Yiping, Glownia, James M., Lemke, Henrik T., Sikorski, Marcin, Zhu, Diling, Moeller, Stefan, Lee, Hae Ja, Hunter, Mark S., Carini, Gabriella, Tiedtke, Kai, Jastrow, Ulf, Sorokin, Andrey, Richter, Mathias, Owada, Shigeki, Tono, Kensuke, Saito, Norio, Tanaka, Takahiro, Kato, Masahiro, Yabashi, Makina, and Robert, Aymeric. Measurement of the absolute number of photons of the hard X-ray beamline at the Linac Coherent Light Source. United States: N. p., 2019. Web. doi:10.1107/s1600577519000250.
Song, Sanghoon, Alonso-Mori, Roberto, Chollet, Matthieu, Feng, Yiping, Glownia, James M., Lemke, Henrik T., Sikorski, Marcin, Zhu, Diling, Moeller, Stefan, Lee, Hae Ja, Hunter, Mark S., Carini, Gabriella, Tiedtke, Kai, Jastrow, Ulf, Sorokin, Andrey, Richter, Mathias, Owada, Shigeki, Tono, Kensuke, Saito, Norio, Tanaka, Takahiro, Kato, Masahiro, Yabashi, Makina, & Robert, Aymeric. Measurement of the absolute number of photons of the hard X-ray beamline at the Linac Coherent Light Source. United States. doi:10.1107/s1600577519000250.
Song, Sanghoon, Alonso-Mori, Roberto, Chollet, Matthieu, Feng, Yiping, Glownia, James M., Lemke, Henrik T., Sikorski, Marcin, Zhu, Diling, Moeller, Stefan, Lee, Hae Ja, Hunter, Mark S., Carini, Gabriella, Tiedtke, Kai, Jastrow, Ulf, Sorokin, Andrey, Richter, Mathias, Owada, Shigeki, Tono, Kensuke, Saito, Norio, Tanaka, Takahiro, Kato, Masahiro, Yabashi, Makina, and Robert, Aymeric. Mon . "Measurement of the absolute number of photons of the hard X-ray beamline at the Linac Coherent Light Source". United States. doi:10.1107/s1600577519000250. https://www.osti.gov/servlets/purl/1505633.
@article{osti_1505633,
title = {Measurement of the absolute number of photons of the hard X-ray beamline at the Linac Coherent Light Source},
author = {Song, Sanghoon and Alonso-Mori, Roberto and Chollet, Matthieu and Feng, Yiping and Glownia, James M. and Lemke, Henrik T. and Sikorski, Marcin and Zhu, Diling and Moeller, Stefan and Lee, Hae Ja and Hunter, Mark S. and Carini, Gabriella and Tiedtke, Kai and Jastrow, Ulf and Sorokin, Andrey and Richter, Mathias and Owada, Shigeki and Tono, Kensuke and Saito, Norio and Tanaka, Takahiro and Kato, Masahiro and Yabashi, Makina and Robert, Aymeric},
abstractNote = {X-ray free-electron lasers provide intense pulses of coherent X-rays with a short pulse duration. These sources are chaotic by nature and therefore, to be used at their full potential, require that every X-ray pulse is characterized in terms of various relevant properties such as intensity, photon energy, position and timing. Diagnostics are for example installed on an X-ray beamline to specifically monitor the intensity of individual X-ray pulses. To date, these can however only provide a single-shot value of the relative number of photons per shot. Here are reported measurements made in January 2015 of the absolute number of photons in the hard X-ray regime at LCLS which is typically 3.5 × 1011 photons shot–1 between 6 and 9.5 keV at the X-ray Pump–Probe instrument. Moreover, an average transmission of ≈62% of the hard X-ray beamline over this energy range is measured and the third-harmonic content of ≈0.47% below 9 keV is characterized.},
doi = {10.1107/s1600577519000250},
journal = {Journal of Synchrotron Radiation (Online)},
number = 2,
volume = 26,
place = {United States},
year = {2019},
month = {2}
}

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Figures / Tables:

Figure 1 Figure 1: Schematic of the experimental set-up showing the various areas of interest, i.e. undulator hall, front-end enclosure (FEE) and XPP instrument hutch, and highlighting the location of relevant optical and detector components, such as the hard X-ray offset mirrors system (HOMS) and X-ray gas monitor detector (XGMD).

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    Works referencing / citing this record:

    Operation of X-ray gas monitors at the European XFEL
    journal, June 2019

    • Maltezopoulos, Theophilos; Dietrich, Florian; Freund, Wolfgang
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    Operation of X-ray gas monitors at the European XFEL
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    • Maltezopoulos, Theophilos; Dietrich, Florian; Freund, Wolfgang
    • Journal of Synchrotron Radiation, Vol. 26, Issue 4
    • DOI: 10.1107/s1600577519003795

    An X-ray gas monitor for free-electron lasers
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    • Sorokin, Andrey A.; Bican, Yilmaz; Bonfigt, Susanne
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