Future Developments in Resonance Spin Echo

Bleuel, Markus; Demmel, F.; Gähler, R.; Golub, R.; Habicht, Klaus; Keller, T.; Klimko, S.; Köper, Ingo; Longeville, S.; Prokudaylo, S.

doi:10.1007/3-540-45823-9_15

Cited by 13 publications

(3 citation statements)

References 24 publications

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“…At present, a number of SE setups can be used as spinecho small angle scattering ͑SESANS͒ setup under the resonance setup with tiltable fields at HMI in Berlin 6,7 and similar ones at ILL in Grenoble 8 and FRMII in Munich. 9 These setups use neutron resonance as a method to create effective large precession angles.…”

Section: -4mentioning

confidence: 99%

Polarization optimization of spin-echo small angle scattering instruments

Rekveldt

Duif

Kraan

et al. 2008

Review of Scientific Instruments

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The polarization optimization in a small angle scattering spin-echo setup is considered, under the depolarization and phase errors that occur in field transition regions by improper adjustment of inclined magnetized foils as -flippers. Various correction procedures are discussed. In these setups with precession fields perpendicular to the beam directions, corrections can be reduced strongly by the use of -flippers, and for the remaining errors, correction coils can be constructed.

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Section: -4mentioning

confidence: 99%

Polarization optimization of spin-echo small angle scattering instruments

Rekveldt

Duif

Kraan

et al. 2008

Review of Scientific Instruments

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“…Using these characteristics, NSE experiments with better signal-to-noise ratio can be realized. The first concept of NRSE spectroscopy with ellipsoidal supermirrors has already been identified by Bleuel et al [6]. However, to our knowledge, the advantage of TOF-MIEZE spectroscopy with ellipsoidal supermirrors placed before and after the sample has not been examined or experimental results have not yet been presented.…”

Section: Introductionmentioning

confidence: 99%

A Study of Focusing TOF-MIEZE Spectrometer with Small-angle Neutron Scattering

Funama

Hino

Oda

et al. 2021

Proceedings of the 3rd J-Parc Symposium (J-Parc2019)

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The combination of the modulation of intensity by zero effort (MIEZE) technique and ellipsoidal neutron-focusing supermirrors enables us to perform a neutron spin echo experiment for tiny samples with high energy resolution. We successfully identified time-offlight MIEZE (TOF-MIEZE) signals for neutrons elastically scattered at the sample under a focused geometry using ellipsoidal supermirrors. The effective frequency of the TOF-MIEZE signal was 108 kHz. The Fourier time range was covered from 0.48 to 5.3 ns using the TOF technique with neutron wavelengths from 0.65 to 1.45 nm.

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“…The beam divergence causes the deviation of the relative phase between up-and down-spin components, which is equivalent to spin precession, because the relative phase is proportional to the neutron flight length. Some methods to correct the beam divergence effect on NRSE have been proposed and demonstrated [7][8][9]; however, they cannot be applied to a high-resolution NRSE spectrometer. Now we discuss the correction for much higher resolution NRSE by using the smooth coupling of Fresnel-like fields to RSFs.…”

Section: Introductionmentioning

confidence: 99%