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Proceedings Paper

Polarizing supermirror devices: some new developments
Author(s): Ferenc Mezei
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Paper Abstract

Transmission geometry neutron optical polarizer devices offer very substantial advantages compared to conventional bender systems by low inherent indensity losses and by conserving the angular distribution of the beam. In order to achieve high polarizations they require very high reflectivity polarizing supermirrors. A technique of producing this kind of mirrors with a reflectivity >= 97% has now been established at BENSC. Both the calculations based on measured supermirror characteristics and the first partial experimental results confirm the expected high performance of so-called 'polarizing cavity' type transmission devices. Another result of polarizing neutron mirror studies at BENSC is the development of single layer totally reflecting coating with high magnetic remenance which is adequate for use in neutron polarizers placed in zero or even oppositely oriented magnetic fields.

Paper Details

Date Published: 23 November 1992
PDF: 9 pages
Proc. SPIE 1738, Neutron Optical Devices and Applications, (23 November 1992); doi: 10.1117/12.130623
Show Author Affiliations
Ferenc Mezei, Hahn-Meitner-Institut (Germany)


Published in SPIE Proceedings Vol. 1738:
Neutron Optical Devices and Applications
Charles F. Majkrzak; James L. Wood, Editor(s)

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