Beamline 21-ID-D: Sector 21 - Insertion Device
LS-CAT
Life Sciences
Description
Sector 21 is a canted undulator beamline with the upstream undulator providing tunable X-rays via a Kohzu double crystal monochromator. Bimorph mirrors focus the beam and keep it centered on the sample. The end station has an MD3-UP microdiffractometer with an adjustable kappa goniometer, UR robotic sample changer, cryostat, and Arinax HC-Lab Humidity Controller. Historically the station has predominately performed high throughput cryocrystallography, but more of the time will be focused on serial and pump-probe crystallography going forward.
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Supported Techniques
- Macromolecular crystallography
- Serial Crystallography
Beamline Controls and Data Acquisition
Arinax MD3-UP diffractometer software (with LS-CAT developed extensions) for sample mounting, centering, diagnostics, and data collection. VME EPICS/MEDM low-level interface, PMAC motion control, and Linux workstations for data collection and processing.
Detectors
Additional Equipment
- UR robotic sample changer supporting UniPuck standard
- MD3-UP microdiffractometer
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Local Contacts
Beamline Specs
Source |
3.0 Undulator |
Monochromator Type |
Si(111) |
Energy Range |
6.5-20 keV |
Resolution (ΔE/E) |
2 x 10 -4 |
Flux (photons/sec) |
5 x 10 12 @12 keV |
Beam Size (HxV) |
Focused |
10µm x 10µm
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For additional information see:
https://ls-cat.org/
Current Status:
Commissioning
Access Mode:
On-site
Remote
Mail-in
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