Magnetic planar waveguides as combined polarizers and spin-flippers for neutron microbeams

A Ruehm,S V Kozhevnikov,Frederic Ott,F Radu,J Major

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2013）

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摘要

We propose waveguide structures which transform an incident unpolarized beam into a polarized microbeam and also can be used as spin-flippers by varying the incidence angle on the structure. We describe optimized structures combining these functions. Such waveguides could be used for the investigation of one-dimensional magnetic structures and could be implemented on any existing fixed wavelength reflectometer.

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关键词

Waveguide,Polarized neutrons,Microbeam

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