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Electron and gamma ray spectrometer based on gradient magnetic field

A gamma-ray spectrometer and gamma-ray technology, applied in the field of electronic and gamma-ray spectrometers based on gradient magnetic fields, can solve the problems of unfavorable real-time detection and low resolution, and achieve a large dynamic range and high resolution Effect

Pending Publication Date: 2021-10-08
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
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Problems solved by technology

Compton scattering spectrometers usually use a uniform magnetic field (Rev.Sci.Instrum.85, 065119 (2014)) or a stepwise changing magnetic field (Matter Radiat. Extremes 6, 014401 (2021)) to deflect electrons, and the resolution of the former is lower , the latter needs to bend the detector in order to obtain a higher resolution, which is not conducive to real-time detection

Method used

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  • Electron and gamma ray spectrometer based on gradient magnetic field
  • Electron and gamma ray spectrometer based on gradient magnetic field
  • Electron and gamma ray spectrometer based on gradient magnetic field

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Embodiment Construction

[0024] In order to make the above-mentioned advantages of the present invention clearly understandable, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that the present invention should not be limited to the following specific implementation content, and those skilled in the art should understand the present invention from the spirit embodied in the following embodiments, and each technical term can be based on the spirit of the present invention. Do the broadest understanding.

[0025] see first figure 1 , figure 1 It is a schematic structural diagram of the electron and gamma ray spectrometer based on the gradient magnetic field of the present invention. It can be seen from the figure that the electron and gamma ray spectrometer based on the gradient magnetic field of the present invention includes a conversion target 1, a shielding part 2, and a spectrometer mai...

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Abstract

The invention discloses an electron and gamma ray spectrometer based on a gradient magnetic field. The electron and gamma ray spectrometer comprises a conversion target, a shielding part, a spectrometer main body part and a detector. By adopting the gradient magnetic field, the convergence points of deflection tracks of electrons with different energies are almost on the same straight line. And the detector is inserted into the spectrometer main body part along the straight line, and is used for collecting positive and negative electron signals generated after electrons or gamma rays pass through the conversion target, so that high-resolution detection is realized. The electron and gamma ray spectrometer has the characteristics of online detection, high resolution, large dynamic range and flexibility in use.

Description

technical field [0001] The invention relates to electron and gamma ray detection, in particular to an electron and gamma ray spectrometer based on a gradient magnetic field. Background technique [0002] With the rapid development of laser technology, especially the proposal and realization of Chirped Pulse Amplification (CPA), the peak intensity of laser is continuously increasing. After more than 20 years of development of strong-field lasers, laser devices at home and abroad have broken through the PW limit. In recent years, a series of large scientific projects have begun to build 10PW-level laser devices. Shanghai Institute of Optics and Mechanics will take the lead in completing the construction and acceptance of 10PW laser devices and physical experiment platforms in 2020, and has already started the construction of 100PW laser devices. An important application direction of PW-level strong-field lasers is that gamma rays can be generated through a variety of mechani...

Claims

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Application Information

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IPC IPC(8): G01T1/36
CPCG01T1/36
Inventor 李顺沈百飞徐建彩张慧欣汪小青徐同军吉亮亮张辉张诗渊
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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