Recent progress in the development of concave Fresnel lenses for neutrons

T. Adachi, K. Ikeda, T. Oku, K. Sakai, S. Suzuki, J. Suzuki, H. M. Shimizu, K. C. Littrell, C. K. Loong, W. Lin, J. Guo, N. Mitsuishi, S. Morita, H. Ohmori

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

The performance of a Fresnel-type compound refractive lens for focusing cold neutrons was evaluated. The lens consists of 44 pieces of compound Fresnel-type refractive lenses made of MgF2 single crystals. The intensity profile of the diffracted neutrons measured over the wavelengths of 9-14 Å was compared with the results of numerical simulations. Good neutron transmission of 0.85 for 9 Å neutrons and a focal length of 3.4 m for 16 Å neutrons were achieved.

Original languageEnglish
Pages (from-to)806-808
Number of pages3
JournalJournal of Applied Crystallography
Volume36
Issue number3 I
DOIs
StatePublished - 2003
Externally publishedYes

Keywords

  • Focusing neutrons
  • Fresnel lens
  • Neutron lens

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