Beamline 11-ID / BESSRC-CAT

Elliptical Multipole Wiggler Info (PDF File)

High Energy Diffraction Info (PDF File)

Scientific focus:

Spectroscopy, scattering, high-energy diffraction, and magnetic Compton scattering

Scientific programs:

Materials science

• x-ray scattering
• high-energy diffraction
• dichroism
• magnetism

geoscience, atomic physics, and chemistry

• EXAFS spectroscopy
• XANES spectroscopy
• time-dependent spectroscopy of excited states

Optics & Optical Performance

11-ID-D

• modified standard BESSRC monochromator
• 4.0-50 keV energy range Si(220)
• 20 mm fixed offset
• cryo-cooled 1st and 2nd crystals
• mirrors
• Pt and Pd coatings
• 2.8 mrad incident angle/Pt mirror
• 4.0 mrad incident angle/Pd mirror

11-ID-B & -C

• Bragg or Laue horiz. deflecting monochromators
• 40-200 keV energy range
• Si(311) or Si(220) crystal
• water/Ga cooling

Experiment Stations

11-ID-A

• white beam first optics enclosure
• double-crystal monochromator (for 11-ID-D)
• double (side-by-side) mirror system (for 11-ID-D)
• side-deflecting monochromators (for B & C stations)

11-ID-B

• magnetic Compton scattering

11-ID-C

• high-energy diffractometer

11-ID-D

• spectroscopy (EXAFS, XANES, dichroism)
• x-ray scattering
• time-resolved spectroscopy

Detectors

• ionization chambers
• Bicron
• solid-state detectors (Si and Ge)
• Canberra 9-element Ge

Beamline Controls and Data Acquisition

11-ID-B & -C

• MacOS-EPICS
• Linux

11-ID-D

• Linux
• SPEC
• MacOS
• Windows EPICS

Beamline Support Equipment/Facilities

11-ID-C

• high-energy diffractometer (vertical, post mono)
• diffractometer
• analyzer
• detector

11-ID-D

• spectroscopy table
• 8-circle Huber Ψ goniometer

Insertion Device Source Characteristics (nominal)