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A large-area double rotating-crystal monochromator for time-focusing neutron instruments

Zanatta, M. ; Orecchini, A. ; Aisa, S. ; Casinini, F. ; Farnesini, L. ; Deen, P. P. LU ; Paciaroni, A. ; Petrillo, C. and Sacchetti, F. (2016) In Journal of Physics: Conference Series 746(1).
Abstract

We present the principle and the first prototypes of a double rotating-crystal monochromator, based on an assembly of smaller rotating elements. Such a device was developed as the key element to implement a parallel-beam modification of the time-focusing technique for neutron spectrometers. This concept is particularly promising for long-pulse sources and can bring specific advantages on continuous sources as well. Neutron tests performed on the first prototypes validate the mechanical reliability of the proposed design and the feasibility of a large-area double rotating-crystal monochromator based on this technology.

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author
; ; ; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Physics: Conference Series
volume
746
issue
1
article number
012002
publisher
IOP Publishing
external identifiers
  • scopus:84994382214
ISSN
1742-6588
DOI
10.1088/1742-6596/746/1/012002
language
English
LU publication?
yes
id
8905bec7-f3bc-4b19-bc70-1ac7a3dcc1ce
date added to LUP
2016-12-07 11:45:37
date last changed
2022-04-09 01:22:59
@article{8905bec7-f3bc-4b19-bc70-1ac7a3dcc1ce,
  abstract     = {{<p>We present the principle and the first prototypes of a double rotating-crystal monochromator, based on an assembly of smaller rotating elements. Such a device was developed as the key element to implement a parallel-beam modification of the time-focusing technique for neutron spectrometers. This concept is particularly promising for long-pulse sources and can bring specific advantages on continuous sources as well. Neutron tests performed on the first prototypes validate the mechanical reliability of the proposed design and the feasibility of a large-area double rotating-crystal monochromator based on this technology.</p>}},
  author       = {{Zanatta, M. and Orecchini, A. and Aisa, S. and Casinini, F. and Farnesini, L. and Deen, P. P. and Paciaroni, A. and Petrillo, C. and Sacchetti, F.}},
  issn         = {{1742-6588}},
  language     = {{eng}},
  month        = {{10}},
  number       = {{1}},
  publisher    = {{IOP Publishing}},
  series       = {{Journal of Physics: Conference Series}},
  title        = {{A large-area double rotating-crystal monochromator for time-focusing neutron instruments}},
  url          = {{http://dx.doi.org/10.1088/1742-6596/746/1/012002}},
  doi          = {{10.1088/1742-6596/746/1/012002}},
  volume       = {{746}},
  year         = {{2016}},
}