Fiber radiation-induced attenuation sensing design based on geant4 simulation
2019
Simulate the energy deposition value of the 1.2MeV electron radiation in the fiber after penetrating the shielding window of different materials and thicknesses with geant4, compare the maximum energy deposition value of the fiber, and finally select the copper with the thickness of 1mm, 2mm, 3mm as the shielding. The fiber radiation-induced attenuation curve is obtained experimentally, and the f radiation-induced attenuation model is established to provide a theoretical basis for fiber radiation sensing.
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