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 |
Ultima modifica il Lunedì, 16 Gennaio 2012 12:07