塑料闪烁体中波长移位光纤定时特性的仿真研究

Shigeharu Kobayashi, Tokonatsu Yamamoto
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引用次数: 0

摘要

本文报道了用WLS光纤读取塑料闪烁体时的定时特性的仿真结果。为了完整起见,我们先用一个简化的公式描述光在光纤中的传播,然后将仿真结果表示为t1-t0和t1+t2的分布,以查看t1和t2在光纤两端出现的次数和触发源处出现的时间分辨率。对Y11和BCF92两种不同的WLS光纤进行了仿真,观察了辐射时间对时间分辨率的影响。
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Simulation study on the timing property of wavelength shifter fiber embedded in a plastic scintillator
The simulation results of the timing properties of a plastic scintillator are reported, when it is read by the WLS fiber. For the sake of completeness, we are beforehand with a simplified formula describing the light propagation in a fiber, and thereafter present the simulation results as the distributions for t1-t0 as well as t1+t2 to see the time resolution with t1 and t2 the times appeared at both fiber ends and t0 at the trigger source. The simulations were made for two different WLS fibers, Y11 and BCF92, to see the influence of radiation time on the time resolution.
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