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-1between 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:
-
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- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
- Physikalisch-Technische Bundesanstalt, Berlin (Germany)
- RIKEN SPring-8 Center, Hyogo (Japan)
- RIKEN SPring-8 Center, Hyogo (Japan); Japan Synchrotron Radiation Research Institute, Hyogo (Japan)
- 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)
- 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. https://doi.org/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. https://doi.org/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-1between 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}
}
Web of Science
Figures / Tables:

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Works referencing / citing this record:
Operation of X-ray gas monitors at the European XFEL
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Operation of X-ray gas monitors at the European XFEL
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- Deutsches Elektronen-Synchrotron, DESY, Hamburg
Pulse power measurements and attenuator characterization of the hard X-ray beamline at the Linac Coherent Light Source
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- Song, Sanghoon; Alonso-Mori, Roberto; Chollet, Matthieu
- Deutsches Elektronen-Synchrotron, DESY, Hamburg
Figures / Tables found in this record: