Abstract
We have developed a prototype of neutron prism made of an amorphous perfluoropolymer CYTOP. This prism was composed of 100 thin sheets with a series of narrow “V”-shaped grooves at one side of each sheet. The small-angle neutron scattering (SANS) intensity of CYTOP was very small and was constant. The refraction effect study using cold neutrons with the wavelength of 6– 12 A ̊ revealed that the refracting angle by the prism for 8 A ̊ neutrons was 1.5 mrad . According to these results, it is possible to realize a refractive device for thermal neutrons using amorphous perfluoropolymer CYTOP with more sheets and some refinements in the shape and the film quality.
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