Pulse power measurements and attenuator characterization of the hard X-ray beamline at the Linac Coherent Light Source

Sanghoon Song; Roberto Alonso-Mori; Matthieu Chollet; Yiping Feng; James M. Glownia; Henrik T. Lemke; Marcin Sikorski; Diling Zhu; Stefan Moeller; Hae Ja Lee; Mark S. Hunter; Gabriella Carini; Kai Tiedtke; Ulf Jastrow; Andrey Sorokin; Mathias Richter; Shigeki Owada; Kensuke Tono; Norio Saito; Takahiro Tanaka; Masahiro Kato; Makina Yabashi; Aymeric Robert

doi:10.1117/12.2520827

24 April 2019 Pulse power measurements and attenuator characterization of the hard X-ray beamline at the Linac Coherent Light Source

Sanghoon Song, Roberto Alonso-Mori, Matthieu Chollet, Yiping Feng, James M. Glownia, Henrik T. Lemke, Marcin Sikorski, Diling Zhu, Stefan Moeller, Hae Ja Lee, Mark S. Hunter, Gabriella Carini, Kai Tiedtke, Ulf Jastrow, Andrey Sorokin, Mathias Richter, Shigeki Owada, Kensuke Tono, Norio Saito, Takahiro Tanaka, Masahiro Kato, Makina Yabashi, Aymeric Robert

Author Affiliations +

Proceedings Volume 11038, X-Ray Free-Electron Lasers: Advances in Source Development and Instrumentation V; 1103810 (2019) https://doi.org/10.1117/12.2520827
Event: SPIE Optics + Optoelectronics, 2019, Prague, Czech Republic

Abstract

The absolute power of the Linac Coherent Light Source pulses has been measured accurately in the hard X-ray beamline by using simultaneously two detectors: an X-ray Gas Monitor Detector (XGMD) in tandem with a radiometer. From these measurements, we were also able to characterize and calibrate in details our sets of beamline attenuators, in addition to extending an absolute calibration for our beamline intensity monitors. Similarly, we demonstrate that commercial optical power meter has a response in the hard X-ray regime, that can be cross-correlated with the absolute power of the LCLS beam.

Citation Download Citation

Sanghoon Song, Roberto Alonso-Mori, Matthieu Chollet, Yiping Feng, James M. Glownia, Henrik T. Lemke, Marcin Sikorski, Diling Zhu, Stefan Moeller, Hae Ja Lee, Mark S. Hunter, Gabriella Carini, Kai Tiedtke, Ulf Jastrow, Andrey Sorokin, Mathias Richter, Shigeki Owada, Kensuke Tono, Norio Saito, Takahiro Tanaka, Masahiro Kato, Makina Yabashi, and Aymeric Robert "Pulse power measurements and attenuator characterization of the hard X-ray beamline at the Linac Coherent Light Source", Proc. SPIE 11038, X-Ray Free-Electron Lasers: Advances in Source Development and Instrumentation V, 1103810 (24 April 2019); https://doi.org/10.1117/12.2520827

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