Applying Resonant Spin Flippers with Poleshoes and Longitudinal Radio Frequency Fields to Time of Flight MIEZE
N. Geerits (Student TU Delft)
S.R. Parnell (TU Delft - RID/TS/Instrumenten groep, TU Delft - RST/Neutron and Positron Methods in Materials)
Michel Thijs (TU Delft - RST/Neutron and Positron Methods in Materials, TU Delft - RID/TS/Technici Pool)
W.G. Bouwman (TU Delft - RST/Neutron and Positron Methods in Materials)
J Plomp (TU Delft - RST/Neutron and Positron Methods in Materials, TU Delft - RID/TS/Instrumenten groep)
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Abstract
A time of flight MIEZE spectrometerstudyis presented. The instrumentuses solenoid radio frequency(RF)spin flipperswithsquare pole shoes and a magnetic yoke. These flippers can achieve higherstaticfields than conventional resonant RF spin flippers, which employ an air core.High fields are crucial for the construction of a high resolution and compact MIEZE spectrometer.Using both types of flipperstwo MIEZE spectrometer configurationsare constructed and comparedon the same beam line. It was demonstratedthat the pole shoe/solenoid coil RF flipperscan achieve a MIEZE signal, which is similarin quality to theconventionalreferencesetup.The highest obtained modulation frequency was 100kHz.
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