NEUTRON DOUBLE MULTILAYER MONOCHROMATOR-POLARIZER CO TI/

The proposed neutron multilayer monochromator-polarizer, consisting of the alternating layers of Co and Ti, prepared by the method of therma l vacuum evaporation on glass and silicon substrates is considered. In this monochromator the distance between first Bragg order peak and ed ge of total reflection plateau are considerably increased for glass su bstrate compare with Fe/Ag monochromator and for silicon substrate the total reflection region is absent for reflection of the beam from sil icon. The curves of intensities of direct beam and for both spin compo nents of the beam of cold neutrons reflected four times from this doub le monochromator-polarizer together with data from thermal neutron ref lectometer are presented. (C) 1998 Elsevier Science B.V. All rights re served.