Performance of Ce: GAGG scintillation crystals
with different thickness

Abstract

Abstract: Ce:GAGG scintillation crystals with different sizes and thicknesses (2, 4, 6, 8, 10 mm) are selected to analyze the influence of self absorption on Ce: GAGG scintillation crystals by measuring the transmittance. At the same time, the effects of different surface roughness, package and coupling mode on light output and energy resolution of Ce: GAGG scintillation crystals are investigated. The experimental results show that the optical output and energy resolution of Ce: GAGG scintillation crystal samples can be greatly improved by optimizing the surface roughness, encapsulation reflector and coupling mode. The best energy resolution of Ce: GAGG scintillation crystals is 7.0% by using 137Cs standard radioactive source.

Key words: material, Ce:GAGG scintillator crystals, transmission, light yield, energy resolution

CLC Number:

TN29
TL812

WANG Qiang, DING Yuchong∗, QU Jingjing, WANG Lu, DONG Honglin, FANG Chengli, MAO Shiping. Performance of Ce: GAGG scintillation crystals with different thickness[J]. Chinese Journal of Quantum Electronics, 2021, 38(2): 259-264.

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Performance of Ce: GAGG scintillation crystals with different thickness

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