In the last years two-dimensional polarisation analysers and solid state neutron optical devices like polarisers and collimators have been developed at HMI. We show results of solid state polarising benders, solid state collimators with absorbing and also with reflecting walls and a solid state radial bender for the polarisation analysis of neutrons. In another set up neutrons were polarised by the use of a solid state polarising bender together with a collimator which has the advantage that the polarised neutrons are not deflected. Results from two-dimensional polarisation analysers for an angular range of 5 degrees in both directions are presented. In all cases polarisations above 95% were realised. Further projects like a radial polarising bender and radial collimators for a SANS machine will be mentioned.
Hahn-Meitner-Institut Berlin, Glienicker Str. 100, 14109 Berlin, Germany