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Neutron ghost imager

A ghost imaging and neutron technology, applied in the field of neutron ghost imager, can solve the problems of low imaging quality, low integration, high price, etc., and achieve the effect of small size, simplified complexity and low cost

Active Publication Date: 2019-02-15
GUIZHOU MINZU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a neutron ghost imager, which effectively solves the technical problems of the existing neutron ghost imager such as low integration, high price, large volume, and low imaging quality.

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Embodiment Construction

[0025] The essence of the present invention will be further described below in conjunction with the accompanying drawings and examples, but the content of the present invention is not limited thereto.

[0026] Such as figure 1 Shown is a schematic diagram of an embodiment of the neutron ghost imager provided by the present invention. It can be seen from the figure that the neutron ghost imager includes: a neutron source 1, a magnet structure 2, and at least one neutron sensor 5 And imaging device 6, also comprises the magnetic head 3 that is used for erasing and writing operation to magnet structure 2, wherein, magnet structure 2 is arranged toward the emission direction of neutron beam, and neutron sensor 5 is arranged in parallel with object 4 to be imaged, The imaging device 6 is respectively connected with the magnet structure 2 and the neutron sensor 5 , and the magnetic head 3 is connected with the magnet structure 2 .

[0027] During the working process, the neutron so...

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Abstract

The invention discloses a neutron ghost imager. The ghost imager comprises a neutron source, a magnet structure, least one neutron sensor, and imaging devices. The neutron source is used for generating a neutron beam. The magnet structure is arranged towards the emission direction of the neutron beam, and is used for spatially modulating the neutron beam and irradiating the modulated neutron beamto the surface of a to-be-imaged object. The neutron sensor is arranged in parallel with the to-be-imaged object, and is used for receiving a neutron beam passing through the to-be-imaged object. Theimaging devices are respectively connected with the magnet structure and the neutron sensor, and are used for reconstructing the to-be-imaged object according to the received neutron beam and a magnetic polarization direction distribution function at irradiation of the received neutron beam in the magnet structure, or reconstructing the to-be-imaged object according to the received neutron beam and the magnetic polarization direction distribution function of the neutron beam after spatial modulation. According to the neutron ghost imager, the purpose of the invention can be achieved with onlyone or more neutron sensors and without focusing imaging on the neutron beam and a neutron sensor array; and the structure is simple, the size is small, and the cost is low.

Description

technical field [0001] The invention relates to the technical field of semiconductors, in particular to a neutron ghost imager. Background technique [0002] Neutrons have high penetrability, and neutrons have a strong magnetic moment, which is especially suitable for crack detection in high-density and magnetic materials, material performance analysis and other fields, and can well make up for other non-destructive testing such as X-rays. Inadequacy of the method. [0003] However, since neutrons do not carry charges, it is difficult to focus neutrons; and because of their strong penetrating ability, generally speaking, neutron detectors are relatively large, and it is difficult to integrate them with traditional optical imaging components CCD (Charge Coupled Device, charge-coupled device), CMOS (Complementary Metal Oxide Semiconductor, Complementary Metal Oxide Semiconductor) are highly integrated, imaging is difficult and the imaging quality is not high, which seriously ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/00
CPCG01N23/005G01N2223/106G01N2223/30
Inventor 张晓刘江涛童红王声权王新峰邓雄付云
Owner GUIZHOU MINZU UNIV
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