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

Journal Article · · Journal of Synchrotron Radiation (Online)
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)
+ Show Author Affiliations

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.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
AC02-76SF00515; SC0012704
OSTI ID:
1505633
Alternate ID(s):
OSTI ID: 1514705
Report Number(s):
BNL-211683-2019-JAAM; JSYRES
Journal Information:
Journal of Synchrotron Radiation (Online), Vol. 26, Issue 2; ISSN 1600-5775
Publisher:
International Union of CrystallographyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 4 works
Citation information provided by
Web of Science

References (24)

Predicting the coherent X-ray wavefront focal properties at the Linac Coherent Light Source (LCLS) X-ray free electron laser journal January 2009
Morphology, microstructure, stress and damage properties of thin film coatings for the LCLS x-ray mirrors conference May 2009
Linac Coherent Light Source: The first five years journal March 2016
Achieving few-femtosecond time-sorting at hard X-ray free-electron lasers journal February 2013
Photon beamlines and diagnostics at LCLS
  • Moeller, S.; Arthur, J.; Brachmann, A.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 635, Issue 1 https://doi.org/10.1016/j.nima.2010.10.125
journal April 2011
A single-shot intensity-position monitor for hard x-ray FEL sources conference September 2011
Beamline, experimental stations and photon beam diagnostics for the hard x-ray free electron laser of SACLA journal August 2013
X-Ray Interactions: Photoabsorption, Scattering, Transmission, and Reflection at E = 50-30,000 eV, Z = 1-92 journal July 1993
Anomalous nonlinear X-ray Compton scattering journal August 2015
Opto-mechanical design considerations for the Linac Coherent Light Source x-ray mirror system conference August 2008
Single-shot beam-position monitor for x-ray free electron laser journal February 2011
Measurement of x-ray free-electron-laser pulse energies by photoluminescence in nitrogen gas journal March 2008
Nonlinear Atomic Response to Intense Ultrashort X Rays journal February 2011
Room-temperature calorimeter for x-ray free-electron lasers journal September 2015
A single-shot transmissive spectrometer for hard x-ray free electron lasers journal July 2012
Femtosecond optical/hard X-ray timing diagnostics at an FEL: implementation and performance conference May 2013
Pulse energy measurement at the hard x-ray laser in Japan journal July 2012
Collective instabilities and high-gain regime in a free electron laser journal July 1984
The X-ray Pump–Probe instrument at the Linac Coherent Light Source journal April 2015
The Linac Coherent Light Source journal April 2015
Development, characterization and experimental performance of x-ray optics for the LCLS free-electron laser conference August 2008
X-ray and optical wave mixing journal August 2012
Absolute pulse energy measurements of soft x-rays at the Linac Coherent Light Source journal January 2014
Second and third harmonic measurements at the linac coherent light source journal June 2011

Cited By (6)

Operation of X-ray gas monitors at the European XFEL journal June 2019
Pulse power measurements and attenuator characterization of the hard X-ray beamline at the Linac Coherent Light Source
  • Song, Sanghoon; Alonso-Mori, Roberto; Chollet, Matthieu
  • X-Ray Free-Electron Lasers: Advances in Source Development and Instrumentation V https://doi.org/10.1117/12.2520827
conference May 2019
An X-ray gas monitor for free-electron lasers text January 2019
An X-ray gas monitor for free-electron lasers journal June 2019
Operation of X-ray gas monitors at the European XFEL text January 2019
Pulse power measurements and attenuator characterization of the hard X-ray beamline at the Linac Coherent Light Source text January 2019

Figures / Tables (8)

Figure 1(p. 2)figure Figure 1
Figure 2(p. 3)figure Figure 2
Table 1(p. 3)table Table 1
Figure 3(p. 4)figure Figure 3
Figure 4(p. 4)figure Figure 4
Figure 5(p. 5)figure Figure 5
Figure 6(p. 6)figure Figure 6
Table 2(p. 7)table Table 2

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Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
FEL
hard X-rays
absolute intensity
73 NUCLEAR PHYSICS AND RADIATION PHYSICS