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X-ray spectrometer based on a bent diamond crystal for high repetition rate free-electron laser applications

Journal Article · · Optics Express
DOI:https://doi.org/10.1364/OE.25.002852· OSTI ID:1353169
 [1];  [1];  [1];  [2];  [3];  [1];  [2];  [2];  [2];  [3];  [1];  [2];  [1]
  1. European X-Ray Free- Electron Laser Facility, Schenefeld (Germany)
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  3. Technological Institute for Superhard and Novel Carbon Materials, Moscow (Russia)
A precise spectral characterization of every single pulse is required in many x-ray free-electron laser (XFEL) experiments due to the fluctuating spectral content of self-amplified spontaneous emission (SASE) beams. Bent single-crystal spectrometers can provide sufficient spectral resolution to resolve the SASE spikes while also covering the full SASE bandwidth. To better withstand the high heat load induced by the 4.5 MHz repetition rate of pulses at the forthcoming European XFEL facility, a spectrometer based on single-crystal diamond has been developed. Here, we report a direct comparison of the diamond spectrometer with its Si counterpart in experiments performed at the Linac Coherent Light Source.
Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1353169
Journal Information:
Optics Express, Journal Name: Optics Express Journal Issue: 3 Vol. 25; ISSN 1094-4087; ISSN OPEXFF
Publisher:
Optical Society of America (OSA)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (3)

Diffraction properties of a strongly bent diamond crystal used as a dispersive spectrometer for XFEL pulses journal June 2019
Scientific instrument Femtosecond X-ray Experiments (FXE): instrumentation and baseline experimental capabilities journal August 2019
Photon Beam Transport and Scientific Instruments at the European XFEL journal June 2017

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