A Design Method for Optimizing Energy Spectrum Resolution
A design method and energy spectrum technology, applied in the design field of optimizing energy spectrum resolution, can solve the problems of gamma incident light full-energy peak and characteristic peak not obvious, low energy spectrum resolution, low ability of nuclide identification, etc., to achieve Optimizing energy spectrum resolution, improving light collection rate, and improving the effect of detecting energy resolution
Active Publication Date: 2020-06-09
中器安核智能科技(成都)有限公司
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However, the general scintillation crystal is not equipped with a reflection and recovery device for the γ incident light, so the collection rate of the γ incident light is low. The γ incident light is a very common and important ray in the radiation field, which can be divided into natural γ incident light Light and artificial γ incident light. At present, the γ energy spectrum is mainly obtained by measuring the detector with energy resolution capability. The traditional measurement method does not involve the method of deconvolution and despectral processing of the γ energy spectrum, so the obtained The full-energy peaks and characteristic peaks of different γ incident rays are not obvious, and the resolution of the energy spectrum is also very low, resulting in a low ability of scintillation crystal detectors to identify nuclides
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[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0032] see Figure 1-2 , an embodiment provided by the present invention: a scintillation crystal detector, including a detector body, the detector body includes a scintillation crystal 1 and a photoelectric conversion device 2, and the scintillation crystal 1 includes a top surface 9, a side surface 6 and a The bottom surface 7, and the scintillation crystal 1 is a cylinder or a polygonal cylinder, the scintillation crystal 1 is selected based on the energy r...
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The invention discloses a design method for optimizing energy spectrum resolution, which uses a scintillation crystal detector, including a detector body, the detector body includes a scintillation crystal and a photoelectric conversion device, and the scintillation crystal includes a top surface and a side surface and the bottom surface, the top surface is provided with a layer of photoconductive device, the photoconductive device is connected with the photoelectric conversion device, and the outer side of the side is wrapped with a light reflection film. Using the design method of optimizing energy spectrum resolution based on the scintillation crystal detector, the steps include the establishment of the simulation matrix of the scintillation crystal detector and the process of deconvolution and spectrum resolution of the energy spectrum. The Compton platform in the crystal energy spectrum, the interference of non-total energy peak precipitation such as backscattering peaks, effectively improves the detection energy resolution, especially highlights the resolution of the corresponding nuclide all-energy peak, and strengthens the detection of nuclide by crystal detectors. ability to recognize.
Description
technical field [0001] The invention relates to the technical field of crystal detectors, in particular to a design method for optimizing energy spectrum resolution. Background technique [0002] Scintillation crystals are a type of energy converter that can convert high-energy rays into visible light. In recent years, scintillation crystals have been widely used as working materials for photodetectors in industrial detection, high-energy physics, and homeland security. However, the general scintillation crystal is not equipped with a reflection and recovery device for the γ incident light, so the collection rate of the γ incident light is low. The γ incident light is a very common and important ray in the radiation field, which can be divided into natural γ incident rays. Light and artificial γ incident light. At present, the γ energy spectrum is mainly obtained by measuring the detector with energy resolution capability. The traditional measurement method does not involve ...
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IPC IPC(8): G01T1/36
CPCG01T1/362
Inventor 林振华姚坤良
Owner 中器安核智能科技(成都)有限公司