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A single particle energy measurement device and method based on optical imaging

A technology of energy measurement and optical imaging, which is applied in the field of nuclear technology applications, can solve problems such as the inability to measure the energy of single particles, and achieve the effect of intuitive and flexible optical imaging methods

Active Publication Date: 2019-06-07
NORTHWEST INST OF NUCLEAR TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a single particle energy measurement device and method based on optical imaging to solve the defect that the prior art cannot measure single particle energy through optical methods

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  • A single particle energy measurement device and method based on optical imaging
  • A single particle energy measurement device and method based on optical imaging
  • A single particle energy measurement device and method based on optical imaging

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Embodiment Construction

[0052] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0053] A single particle energy measurement device based on optical imaging, referring to figure 1 , including a monofilament gas scintillation proportional structure, a gas-tight chamber and an imaging device. The monofilament gas scintillation proportional structure includes anode wire 1, cathode wire 2, insulating plate 3, support column 4, particle incident hole 5, working gas 11 and high-voltage module 14; the gas-sealed chamber includes a cavity 10, a particle incident window 6. Vacuum sampling valve 7, inflation valve 8 and optical window 9; imaging device includes lens 12 and camera 13.

[0054] The monofilament gas scintillation proportional structure is relatively flexible in practical applications, refer to figure 1 with figure 2 , the insulating plates 3 at both ends are preferably made of ceramic materials with high pressure ...

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Abstract

The invention relates to the field of nuclear technology application, and particularly to a single-particle energy measuring device and a single-particle energy measuring method based on optical imaging. According to the single-particle energy measuring device and the single-particle energy measuring method based on optical imaging, a strong electric field in a filament gas scintillation proportional structure is utilized for doubling fluorescent light of the single particle in a gas scintillator; then track fluorescent light is imaged through an imaging device with high sensitivity and high quantum efficiency, and a track light-emitting image of the single particle can be realized; track characteristic information is extracted from the image; and furthermore measurement for the energy of the single particle is realized.

Description

technical field [0001] The invention relates to the application field of nuclear technology, in particular to a single particle energy measurement device and method based on optical imaging. Background technique [0002] Charged particles include heavy charged particles (α particles, proton P and other heavy charged particles) and lightly charged particles (β particles, etc.), here we mainly focus on single heavy charged particles, referred to as single particles. [0003] Document 1 "Research on Proton Beam Optical Imaging Method for Pulsed Neutron Spectroscopy [D]. Beijing: Department of Engineering Physics, Tsinghua University, 2013" discloses an optical imaging measurement device and method for particle beam energy spectrum. The particle beam is used to excite the gas at the track position along the incident direction in the gas scintillator to emit fluorescence. The position of the fluorescence indicates the track point of the particle beam, and the intensity distributi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01T1/205
CPCG01T1/205
Inventor 胡静欧阳晓平刘金良阮金陆张忠兵陈亮姚志明
Owner NORTHWEST INST OF NUCLEAR TECH
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