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Small angle scattering

 

3kW rotating anode (Cu) generator. Multilayer optics Ni/C (Osmic), 2D focalisation.

 

Two configurations (D = sample-detector distance):
- « large angles » : D = 250mm, beamstop 2mm dmin = 1.5nm, dmax=35nm ↔ Qmin=1.8.10 -2 Å-1, Qmax = 4.10-1 Å-1 flux = 1.6 108photons/s

 

- « small angles » : D = 1420mm, beamstop 4mm dmin = 9nm, dmax= 80nm ↔ Qmin=8.10-3 Å-1, Qmax = 7.10-2Å-1 flux = 1.7 107photons/s

 

Detectors : CCD camera (Princeton), Imaging plate

 

Equipments : Couette cell, magnet, motorized samples stage

 

CCD camera – vacuum tube - sample - slits - optics