发表机构
University of Delaware（特拉华大学）
机构由 AI 辅助整理，请以论文原文为准。AI 中文总结
本文介绍 CosmicWatch 桌面缪子探测器 v3X 原型的设计与性能，并提出为卫星飞行适配的热管理、封装、材料及 CAN 总线等改造方案。
AI 中文摘要
CosmicWatch 桌面缪子探测器 (v3X) 是一种基于闪烁体的紧凑型低成本仪器，旨在探测电离辐射，包括宇宙射线缪子。该探测器以塑料闪烁体、硅光电倍增管 (SiPM) 和双核 Raspberry Pi Pico 微控制器为核心，实现了每次事件 400 微秒的死时间、700 Hz 的持续事件记录速率，以及双探测器符合触发功能，以获得更准确的计数。本文首先总结了 v3X 原型的设计、固件和已展示的性能。随后，文章概述了为使探测器在卫星上运行所需的各项设计变更，包括一条将热量从微控制器传导至航天器机箱的被动式铜质热管、专用的飞行封装、为满足放气标准而进行的材料更换，以及用于将探测器与宿主航天器连接的控制器局域网 (CAN) 总线接口。该飞行单元计划通过 Oligo Space 发射。
英文摘要
The CosmicWatch Desktop Muon Detector (v3X) is a compact and low-cost scintillator-based instrument designed to detect ionizing radiation, including cosmic-ray muons. Built around a plastic scintillator, a silicon photomultiplier (SiPM), and a dual-core Raspberry Pi Pico microcontroller, the v3X achieves a 400 microsecond dead time per event, sustained event logging at 700 Hz, and two-detector coincidence triggering for more accurate counts. This paper first summarizes the design, firmware, and demonstrated performance of the v3X prototype. It then outlines the design changes needed to prepare the detector for operation aboard a satellite, including a passive copper thermal strap that conducts heat from the microcontroller to the spacecraft chassis, a dedicated flight enclosure, material changes to meet outgassing standards, and a Controller Area Network (CAN) bus interface to connect the detector to the host spacecraft. The flight unit is targeted for launch via Oligo Space.
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