Recent progress in the development of concave Fresnel lenses for neutrons | Zendy

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

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Recent progress in the development of concave Fresnel lenses for neutrons

Author(s) -

Adachi T,

Ikeda K,

Oku T.,

Sakai K.,

Suzuki S.,

Suzuki J.,

Shimizu H.M.,

Littrell K.C.,

Loong C.K.,

Lin W.,

Guo J.,

Mitsuishi N.,

Morita S.,

Ohmori H.

Publication year - 2003

Publication title -

journal of applied crystallography

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.429

H-Index - 162

ISSN - 1600-5767

DOI - 10.1107/s0021889803003893

Subject(s) - optics , neutron , lens (geology) , fresnel lens , materials science , wavelength , fresnel number , focal length , diffraction , fresnel diffraction , physics , nuclear physics

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 MgF 2 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.

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