The Advanced Photon Source
a U.S. Department of Energy Office of Science User Facility

Spectroscopy: Beamline 20-ID

Beamline Specs
Energy Range Monochromator Type (LN2-cooled) Resolution Flux Beam Size
(horiz x vert)
  Unfocused Focused
4.3-27 keV Si 111 w/ toroidal mirror 3 x 10 -5 2 x 10 12 @10 keV 1mm x 3mm 400µm x 100µm
7-52 keV Si 311 w/ toroidal mirror  0.3 x 10-5  2 x 10 12 1mm x 3mm 400µm x 100µm
4.3-27 keV Si 111 w/ KB mirrors 1.4 x 10 -4 1 x 10 11   2µm x 2µm
4.3-27 keV Si 111 w/ toroidal and KB 1.4 x 10 -4 1 x 10 13   15µm x 10µm
Beamline Controls and Data Acquisition
  • Windows XP with LabView
Detectors
  • ionization chambers
  • multi element Ge detector
  • Pilatus 100K
  • Eiger 500K (upon request)
  • PIN diodes
  • plastic scintillator
  • Si diodes
  • Bent Laue Fluorescence detectors (upon request)
  • LERIX Spectrometer
  • miniXS Spectrometers
  • Vortex Si drift (single, 4-element)
  • Polycapillary optic for confocal microscopy (works with single-element Vortex)
  • High-energy-resolution fluorescence detection (available analyzers on request)
Additional Equipment
  • Polycapillary optic
  • collimating channel array
  • catalysis in-situ/operando capabilities
Supported Techniques
  • X-ray absorption fine structure (XAFS)
  • X-ray Raman scattering
  • Resonant X-ray Emission Spectroscopy
  • micro XAFS
  • Confocal X-ray microscopy
  • micro-fluorescence
  • HERFD
09.03.2021