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Neutron Ghost Imager

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

Active Publication Date: 2021-10-01
GUIZHOU MINZU UNIV
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  • Summary
  • 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, comprising: a neutron source, used to generate a neutron beam; a magnet structure, arranged toward the emission direction of the neutron beam, used for space modulation of the neutron beam, and the modulated The final neutron beam is irradiated to the surface of the object to be imaged; at least one neutron sensor is arranged in parallel with the object to be imaged, and is used to receive the neutron beam passing through the object to be imaged; the imaging device is connected to the magnet structure and the neutron sensor respectively, It is used to reconstruct the object to be imaged according to the received neutron beam and the distribution function of the magnetic polarization direction of the neutron beam irradiation place in the magnet structure, or according to the received neutron beam and the magnetic polarization direction of the neutron beam after space modulation The distribution function reconstructs the object to be imaged. It only needs one or more neutron sensors, does not need to focus and image neutron beams, and can achieve the purpose of the invention without neutron sensor arrays, and has simple structure, small size and low cost.

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 Patents(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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