Development of an optical device for thermal neutrons by amorphous perfluoropolymer

T. Shinohara, T. Adachi, K. Ikeda, T. Morishima, K. Hirota, H. M. Shimizu, T. Oku, J. Suzuki

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


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 Å revealed that the refracting angle by the prism for 8 Å 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.

Original languageEnglish
Pages (from-to)134-137
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number1-3 SPEC. ISS.
Publication statusPublished - 2004 Aug 21


  • Neutron prism
  • Neutron refractive optics
  • Thermal neutron

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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