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The High Energy diffraction beamline at the Canadian Light Source.
Aly Rahemtulla1, Graham King1, Ariel Gomez1
1Canadian Light Source, 44 Innovation Blvd, Saskatoon, SK, S7N 2V3, Canada.
Journal of Synchrotron Radiation
|March 26, 2025
Summary
The High Energy beamline at the Canadian Light Source features a novel bent silicon monochromator for versatile X-ray diffraction. This design enables efficient, high-flux experiments for various scientific applications.
Area of Science:
- Materials Science
- Condensed Matter Physics
- Synchrotron Radiation
Background:
- The Canadian Light Source (CLS) operates advanced synchrotron facilities for scientific research.
- High-energy X-ray beamlines are crucial for probing material structures and dynamics.
Purpose of the Study:
- To describe the design, performance, and capabilities of the High Energy beamline at the Brockhouse Sector of the CLS.
- To highlight the beamline's unique monochromator and its applications.
Main Methods:
- Utilized a single bent silicon wafer as a side-bounce Laue monochromator.
- Employed (111), (422), or (533) hkl reflections for energy selection from 25 to 90 keV.
- Incorporated a cryogenically cooled crystal as the sole optical element.
- Achieved vertical focusing down to 20 µm.
Main Results:
- The beamline offers a simple, reliable configuration with a cryogenically cooled monochromator.
- Achieved photon flux ranging from 1 × 10^10 to 1 × 10^13 photons/s.
- Integrated a large translation table for energy-dependent beam tracking.
- Employed large area detectors for data acquisition.
Conclusions:
- The High Energy beamline provides a powerful tool for diverse diffraction studies.
- Its capabilities are suitable for rapid powder diffraction, thick sample analysis, high-pressure studies, and pair distribution function measurements.
