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Towards generalized data reduction on a chopper‐based time‐of‐flight neutron reflectometer
Author(s) -
Gutfreund Philipp,
Saerbeck Thomas,
Gonzalez Miguel A.,
Pellegrini Eric,
Laver Mark,
Dewhurst Charles,
Cubitt Robert
Publication year - 2018
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s160057671800448x
Subject(s) - data reduction , optics , neutron , chopper , reduction (mathematics) , time of flight , physics , plane (geometry) , sample (material) , experimental data , computational physics , mathematics , nuclear physics , geometry , thermodynamics , statistics , quantum mechanics , voltage
The calculation of neutron reflectivity from raw time‐of‐flight data including instrumental corrections and an improved resolution calculation is presented. The theoretical calculations are compared with experimental data measured on the vertical sample plane reflectometer D17 and the horizontal sample plane reflectometer FIGARO at the Institut Laue–Langevin (ILL), Grenoble, France. This article comprises the mathematical body of the time‐of‐flight reflectivity data‐reduction software COSMOS which is used on D17 and FIGARO.