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Neutron transmission multichannel focusing conduit device and neutron diffraction spectrometer

A catheter device, multi-channel technology, applied in measurement devices, material analysis using wave/particle radiation, instruments, etc. The scattering spectrometer cannot take into account the problems of high neutron beam intensity and high resolution, so as to achieve the effect of improving the neutron beam intensity, being convenient to use, and improving the resolution of the spectrometer.

Pending Publication Date: 2020-03-27
CENT OF EXCELLENCE FOR ADVANCED MATERIALS +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to overcome the deficiencies of the prior art, one of the objectives of the present invention is to provide a neutron transmission multi-channel focusing conduit device, which can solve the problem that the neutron scattering spectrometer in the prior art cannot simultaneously take care of neutrons in the same equipment. Beam intensity and high resolution issues
[0004] The second object of the present invention is to provide a neutron diffraction spectrometer, which can solve the problem that the neutron scattering spectrometer in the prior art cannot simultaneously take into account the neutron beam intensity and high resolution in the same device

Method used

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  • Neutron transmission multichannel focusing conduit device and neutron diffraction spectrometer
  • Neutron transmission multichannel focusing conduit device and neutron diffraction spectrometer
  • Neutron transmission multichannel focusing conduit device and neutron diffraction spectrometer

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Embodiment 1

[0027] In order to solve the problem that the existing neutron diffraction spectrometer cannot simultaneously take into account the high neutron beam intensity and the resolution of the hyperspectrometer, the present invention provides a catheter based on multi-channel focusing, which can simultaneously take into account the high neutron beam current Intensity and spectrometer resolution.

[0028] Generally speaking, for a neutron diffraction spectrometer, the neutron beam intensity and the resolution of the spectrometer are contradictory. When the neutron beam intensity is increased, the The beam intensity is reduced.

[0029] For most of the existing typical neutron diffraction spectrometers, the neutron optical path is generally arranged in the horizontal plane, and the resolution of the spectrometer is directly related to the horizontal divergence angle of the neutron beam. The horizontal divergence is an important factor determining the resolution of the spectrometer. Li...

Embodiment 2

[0070] Based on Embodiment 1, the present invention also provides a neutron diffraction spectrometer, including a neutron conduit, which is a neutron transmission multi-channel focusing conduit device as provided in Embodiment 1.

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Abstract

The invention discloses a neutron transmission multi-channel focusing guide pipe device, which is characterized in that a first plating layer in the vertical direction of a guide pipe totally reflectsneutrons and focuses the neutrons to improve the neutron emission intensity, so that the neutron beam intensity is improved; and the neutron divergence angle is limited through absorption of neutronsby the second plating layer in the horizontal direction of the conduit, so that the neutron beam resolution is improved. According to the invention, the problem that the neutron beam intensity and the resolution cannot be simultaneously considered in the same equipment in the prior art is solved. The invention also provides a neutron diffraction spectrometer.

Description

technical field [0001] The invention relates to the field of neutron scattering, in particular to a neutron transmission multi-channel focusing conduit device and a neutron diffraction spectrometer. Background technique [0002] At present, the neutron tube is one of the key components of the neutron scattering spectrometer, which is used for long-distance transmission of the neutron beam, and the modulation and optimization of the neutron beam to meet the requirements of the neutron scattering experiment. Neutron beam intensity and spectrometer resolution are typical indicators to describe a neutron scattering spectrometer. In the technical field of neutron scattering spectrometers, such as neutron diffraction spectrometers, it is difficult to balance the neutron beam intensity and the resolution of the spectrometer. Increasing the neutron beam intensity will reduce the resolution of the spectrometer, while Improving spectrometer resolution reduces neutron beam intensity. ...

Claims

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Application Information

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IPC IPC(8): G01N23/20008G01N23/207
CPCG01N23/20008G01N23/2073
Inventor 高建波
Owner CENT OF EXCELLENCE FOR ADVANCED MATERIALS
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