Specifications
Insertion device
| source: | Figure-8 Undulator divided in 2 sections |
| period lenght: | 140 mm |
| number of periods: | 32 |
| polarization: | linear horizontal and vertical |
| minimum gap: | 19 mm |
| energy range: | 4.6 - 40 eV |
| photon flux: | ~ 1 x 1015 ph/s/0.1% BW 1) |
1) Evaluated for 5 eV photon energy through a 0.6x0.6 mrad2 pinhole, storage ring energy 2 GeV and ring current 400 mA.
Beamline
| Heath Load Unit | 2 water cooled flat Silicon an Glidcop mirrors (Gold coated) |
| Prefocusing | Close to Backscattering Reflection on Spherical Silicon Mirror |
| Monochromator optics: | Normal Incidence Czerny-Turner Monochromator, 8 m focal length |
| Focusing Unit |
Spherical Mirror Al+MgF2 Coating It focalises monochromatic beam on Sample
|
| Collection Unit |
Spherical Mirror Al+MgF2 Coating It collects scattered beam from Sample
|
| Analyzer | Normal Incidence Monochromator (Czerny-Turner), 8 m focal length |
Beam characteristics at sample position
| Energy Range | 5 - 11 eV |
| Resolving Power | 105 - 106 |
| Photon Flux | 1010 - 1013 photons/s |
| Beam Size |
25 - 250 μm (square)
|
Detector
| CCD | 13.5 μm2 pixel, QE = 20% (5 - 9 eV) |
Sample environment
| Vacuum (on solid samples) | 10-5 10-10 mbar |
| Temperature | |
|
Thermal bath + resistive heathing system
|
250 K <T<400 K |
| Liquid Nitrogen Cryostat | T> 77 K |
| Pressure | |
| Pressure Cell | P < 4 Kbar |
Last Updated on Monday, 16 January 2012 12:07
