Radiation dose measurement method based on quantum dot electroluminescent principle

A radiation dose and measurement method technology, applied in the field of radiation dose measurement, can solve the problems of inconvenient use, inability to realize real-time measurement of radiation dose, inability to provide real-time radiation dose information, etc.

Active Publication Date: 2012-08-08
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
View PDF4 Cites 12 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the interference of the excitation light source and the inconvenience of use, the patent needs to move the quantum dots out of the radiation field and then measure their photoluminescent signal, which makes it impossible to achieve real-time measurement of radiation dose in this patent
At the same time, the patent No. US 2010/0176308A1 finally reflects the radiation dose information through one-dimensional electrical signal measurement, so the radiation dose information obtained

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Radiation dose measurement method based on quantum dot electroluminescent principle
  • Radiation dose measurement method based on quantum dot electroluminescent principle
  • Radiation dose measurement method based on quantum dot electroluminescent principle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] Such as figure 1 Shown, the inventive method is concretely realized as follows:

[0030] (1) The functional relationship between scaled electroluminescent signal intensity and radiation dose: use the excitation power source to obtain the electroluminescent spectrum of the electroluminescent material based on quantum dots, such as figure 2 , the excitation power supply can be a DC power supply or an AC power supply. The electroluminescent material based on quantum dots is a quantum dot composed of an element in Group IV, Group III / V, Group II / VI, Group I / , and Group VII, such as CdSe, CdTe, HgO, HgS, HgSe, Al2O3,, Al2S3, Al2Se3, Al2Te3, Ga2O3, Ga2Se3, Ga2Te3, In2O3, In2S3, In2Se3, In2Te3, SiO2, GeO2, SnO2, SnS, SnSe, SnTe, PbO, PbO2, PbS , PbSe, PbTe, AlN, AlP, AlAs, AlSb, CaN, CaP, CaAs, CaSb, InN, InP, InAs, InSb, ZnS. Or quantum dot-based electroluminescent materials have the following structure: there is a core containing semiconductor material, surrounded by othe...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a radiation dose measurement method based on a quantum dot electroluminescent principle, which includes acquiring electroluminescent signals of an electroluminescent system based on a quantum dot in a radiation field through an image acquiring system, obtaining electroluminescent signal strength through processing and amendment, and obtaining radiation dose information according to functional relationship of the electroluminescent signal strength and the radiation dose. The novel radiation dose measurement method effectively improves space and time resolution of radiation dose measurement results, can be used for monitoring steady state radiation field dose, can also be used for monitoring pulse radiation filed dose, can obtain two-dimensionally or three-dimensionally distributed real-time information of the radiation dose, and can obtain radiation dose information with spatial discrimination reaching micron dimension.

Description

technical field [0001] The invention relates to radiation dose measurement, which belongs to the dose measurement method in multidisciplinary interdisciplinary fields such as nuclear technology and application, radiation medicine and radiation biology, radiation protection and the like. Background technique [0002] Radiation dose is the key information in the fields of radiotherapy, radiation protection, etc. At present, radiation dose measurement methods can be divided into passive measurement methods (nuclear latex, track detectors, thermoluminescence detectors, optical luminescence detectors, etc.) and active measurement methods Methods (semiconductor detectors, scintillator detectors, ionization chamber detectors, etc.), passive detectors are suitable for both pulsed and steady-state radiation fields, and some passive detectors can give two-dimensional distribution information, such as film dosimeters, but Passive detectors cannot give real-time information; active dete...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01T1/10
Inventor 祝庆军陈学勇宋钢吴宜灿
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap