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Translucent Triboluminescent Coatings for Particle Detection

机译:用于粒子检测的半透明摩擦发光涂层

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Triboluminescent phosphors provide a method for converting kinetic signals to optical signals for particle detection. Several methods, including vapor deposition, electron beam, and spray-on were evaluated for depositing a thin translucent coating of ZnS:Mn phosphor material onto transparent substrates. The objective was to be able to optically detect impact events on the back side of the substrate while still retaining some capacity to view distant optical events. During the experiments, optical detectors within a light-tight test chamber were used to measure the optical signals generated by the coatings. The measurements resulted from optical signals that were generated by particle impacts and sample phosphorescence, along with electrical interferences between the particle sources, the ambient background, and the detectors. Signal levels and translucency measurements from various coatings are described, along with lessons learned about the coating processes, the detectors, and the limitations of the measurements.
机译:摩擦荧光粉提供了一种将动力学信号转换为光信号以进行颗粒检测的方法。为了将ZnS:Mn荧光粉材料的半透明薄涂层沉积到透明基板上,评估了几种方法,包括气相沉积,电子束和喷涂。目的是能够光学检测基板背面的撞击事件,同时仍保留观察远处光学事件的能力。在实验过程中,在不透光的测试室内使用光学探测器来测量涂层产生的光信号。这些测量结果是由粒子撞击和样品磷光产生的光信号,以及粒子源,环境背景和检测器之间的电干扰产生的。描述了来自各种涂层的信号电平和半透明性测量,以及有关涂层工艺,检测器和测量限制的经验教训。

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