Lu/sub 2/ SiO/sub 5/ O:Ce/sup 3+/闪烁产率的非线性响应

1993 IEEE Conference Record Nuclear Science Symposium and Medical Imaging Conference Pub Date : 1993-10-31 DOI:10.1109/NSSMIC.1993.701745

P. Dorenbos, J. D. de Haas, C. V. van Eijk, C. Melcher, J. Schweitzer

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引用次数: 66

摘要

给出了掺铈氧化硅酸镥(Lu/sub 2/SiO/sub 5/:Ce/sup 3+/ (LSO:Ce))闪烁晶体的绝对光产率。从60 keV到1 MeV以上，光输出随伽马射线能量线性增加，约为NaI(Tl/sup +/)的67%。然而，在5到60 keV之间的x射线能量中观察到非线性响应。为了比较，我们还研究了Gd/sub 2/SiO/sub 5/:Ce/sup 3+/晶体和CsI:Tl晶体的光产率随激发能的变化规律。>

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Non-linear Response In The Scintillation Yield Of Lu/sub 2/ SiO/sub 5/ O:Ce/sup 3+/

The absolute light yield of cerium doped lutetium oxyorthosilicate Lu/sub 2/SiO/sub 5/:Ce/sup 3+/ (LSO:Ce) scintillation crystals is presented. From 60 keV to above 1 MeV the light output increases linearly with the gamma-ray energy and is about 67% of that of NaI(Tl/sup +/). However, a nonlinear response is observed for X-ray energies between 5 and 60 keV. For comparison, we also studied the light yield of a Gd/sub 2/SiO/sub 5/:Ce/sup 3+/ crystal and a CsI:Tl crystal as a function of excitation energy. >

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1993 IEEE Conference Record Nuclear Science Symposium and Medical Imaging Conference

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