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

M. Zanatta; A. Orecchini; S. Aisa; F. Casinini; L. Farnesini; P. P. Deen; A. Paciaroni; C. Petrillo; F. Sacchetti

doi:10.1088/1742-6596/746/1/012002

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

M. Zanatta, A. Orecchini, S. Aisa, F. Casinini, L. Farnesini, P. P. Deen, A. Paciaroni, C. Petrillo, F. Sacchetti

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Article number	012002
Journal	Journal of Physics: Conference Series
Volume	746
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/746/1/012002
Publication status	Published - 2016 Oct 10

Subject classification (UKÄ)

Subatomic Physics

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10.1088/1742-6596/746/1/012002

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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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AU - Zanatta, M.

AU - Orecchini, A.

AU - Aisa, S.

AU - Casinini, F.

AU - Farnesini, L.

AU - Deen, P. P.

AU - Paciaroni, A.

AU - Petrillo, C.

AU - Sacchetti, F.

PY - 2016/10/10

Y1 - 2016/10/10

N2 - 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.

AB - 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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JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

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ER -

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

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