Transmission Bender as an Analyzer Device for MIEZE

Johanna K. Jochum, Jos F.K. Cooper, Lukas M. Vogl, Peter Link, Olaf Soltwedel, Peter Böni, Christian Pfleiderer, Christian Franz

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

1 Zitat (Scopus)

Abstract

MIEZE (Modulation of IntEnsity with Zero Effort) spectroscopy is a high-resolution spin echo technique optimized for the study of magnetic samples and samples under depolarizing conditions. It requires a polarization analyzer in between spin flippers and the sample position. For this, the device needs to be compact and insensitive to stray fields from large magnetic fields at the sample position. For MIEZE, in small angle scattering geometry, it is further essential that the analyzer does not affect the beam profile, divergence, or trajectory. Here, we compare different polarization analyzers for MIEZE and show the performance of the final design, a transmission bender, which we compare to McStas simulations. Commissioning experiments have uncovered spurious scattering in the scattering profile of the bender, which most likely originates from double Bragg scattering in bent silicon.

OriginalspracheEnglisch
Aufsatznummer26
FachzeitschriftQuantum Beam Science
Jahrgang6
Ausgabenummer3
DOIs
PublikationsstatusVeröffentlicht - Sept. 2022

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