NCD - Port 11
Non Crystalline Diffraction beam line
NCD experiments, both at low and high angles named as SAXS and WAXS respectively, are useful to a variety of scientific disciplines as they provide simultaneously structural and functional information at the molecular level. The specific aim is to study semi-ordered systems, long-range structures, diffuse sytems, solution and bulk scattering. The experiments require high photon flux and small focal spot. Because of it the beam line will use an in-vacuum undulator as a photon source in order to take full advantage of the high natural collimation of the beam emitted by ALBA.
Status
The optical system was defined in May 2006. Reception and subsequent assembly of the beam line components will start summer 2008. Installation of is now in progress.
Design of the End Station is completed.
Staff
Agneta Svensson : Beam line Responsible
Igors Sics : Beam line Scientist
Siliva Forcat : Mechanical Engineer
Daniel Iriarte : Experimental Hall Manager
Sergi Blanch : Control Engineer
Marion Kuhlmann : Collaborating Visiting Scientist
Beamline characteristics
| Wavelength range |
0.9 - 1.9 Å (or 6.5 -13 keV) |
| Flux at sample | >2 1012 ph/s 1.24 Å for a beam current of 400 mA |
| Bandpass (ΔE/E) |
< 10-3 |
| Beam size at sample | Variable between ~65 - 1200 μm horizontally ~30 - 265 μm vertically |
| Beam divergence at sample | <0.5x0.1 mrad2 |
Technical Descriptions
Installations
- Lead hutches
- Mechanical, Electrical and PSS services
- Triggering Unit
- Mirror Systems
- Double Crystal Monochromator
- Cryo-cooler system
Beam Line Layout
Below is shown a schematic layout of the beam line. The position of the optical elements, beam conditioning and diagnostic components are indicated.
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