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SCINTILLATOR-BASED LOW ENERGY PARTICLE IMAGING SPECTROMETER FOR NANOSATELLITES

机译:纳米卫星的基于闪烁器的低能粒子成像光谱仪

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摘要

Physical Sciences Inc. (PSI), in cooperation with the Boston University Center for Space Physics, and under the sponsorship of the Air Force Research Laboratory Space Vehicle Directorate, has developed and tested a lightweight, multi-configuration sensor to monitor the space weather environment. The scintil-lator-based Low Energy Particle Imaging Spectrometer (LEPIS) is ideally suited to monitoring the lower energy (20 to 1000 keV) charged particle environment. The LEPIS design is also compatible with the weight, volume, and power requirements of nanosatellites (<0.5 kg, <0.5 W). The LEPIS design does not rely upon a magnetic sector to discriminate between particle types; rather it takes advantage of particle cross-section characteristics and scintillator properties to discriminate. We have already proven the feasibility of our approach; i.e., using thin fdms of materials to create particle-specific detectors, fiber-optically coupled to a position-sensitive photomultiplier tube. The result is a tremendous savings in sensor weight and volume.
机译:物理科学公司(PSI)与波士顿大学空间物理中心合作,在空军研究实验室太空飞行器管理局的赞助下,开发并测试了一种轻巧的多配置传感器,用于监测太空天气环境。基于闪烁器的低能粒子成像光谱仪(LEPIS)非常适合监测低能(20至1000 keV)的带电粒子环境。 LEPIS设计还符合纳米卫星的重量,体积和功率要求(<0.5 kg,<0.5 W)。 LEPIS设计不依赖于磁区来区分颗粒类型。而是利用粒子的横截面特性和闪烁体特性来区分。我们已经证明了我们方法的可行性;也就是说,使用材料的薄fdms来创建特定于颗粒的检测器,并通过光纤将其耦合到位置敏感的光电倍增管。结果大大节省了传感器的重量和体积。

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