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

doi:10.3390/qubs6030026

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

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

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.

Original language	English
Article number	26
Journal	Quantum Beam Science
Volume	6
Issue number	3
DOIs	https://doi.org/10.3390/qubs6030026
State	Published - Sep 2022

Keywords

double Bragg scattering
neutron scattering
neutron spin echo
polarization
single crystal silicon

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10.3390/qubs6030026

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title = "Transmission Bender as an Analyzer Device for MIEZE",

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.",

keywords = "double Bragg scattering, neutron scattering, neutron spin echo, polarization, single crystal silicon",

author = "Jochum, {Johanna K.} and Cooper, {Jos F.K.} and Vogl, {Lukas M.} and Peter Link and Olaf Soltwedel and Peter B{\"o}ni and Christian Pfleiderer and Christian Franz",

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doi = "10.3390/qubs6030026",

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T1 - Transmission Bender as an Analyzer Device for MIEZE

AU - Jochum, Johanna K.

AU - Cooper, Jos F.K.

AU - Vogl, Lukas M.

AU - Link, Peter

AU - Soltwedel, Olaf

AU - Böni, Peter

AU - Pfleiderer, Christian

AU - Franz, Christian

PY - 2022/9

Y1 - 2022/9

N2 - 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.

AB - 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.

KW - double Bragg scattering

KW - neutron scattering

KW - neutron spin echo

KW - polarization

KW - single crystal silicon

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VL - 6

JO - Quantum Beam Science

JF - Quantum Beam Science

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ER -

Transmission Bender as an Analyzer Device for MIEZE

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Keywords

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