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Optimizing Monochromatic Focusing on ThALES

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Author

  • Petr Cermak
  • Martin Boehm
  • Jiri Kulda
  • Stephane Roux
  • Arno Hiess
  • Paul Steffens
  • Jan Saroun

Summary, in English

Neutron ray-tracing simulations have been done in order to study the interplay between an elliptically shaped guide end with two double focusing monochromators - pyrolytic graphite PG002 and bent Si111. The primary aim of these calculations has been the optimisation of the neutron optics of the new cold triple-axis spectrometer ThALES, the successor of the IN14 spectrometer at the Institut Laue-Langevin, Grenoble. The obtained results are, nevertheless, general and independent of the specific geometry of ThALES. The beam characteristics in terms of flux, real space and angular distribution and energy resolution at the sample position are presented for both cases.

Publishing year

2013

Language

English

Pages

026-026

Publication/Series

Journal of the Physical Society of Japan

Volume

82

Document type

Journal article

Publisher

Physical Society of Japan

Topic

  • Natural Sciences
  • Physical Sciences

Keywords

  • Monte Carlo ray-tracing
  • inelastic neutron scattering
  • Triple-Axis
  • spectrometer
  • Monochromatic focusing

Status

Published

ISBN/ISSN/Other

  • ISSN: 1347-4073