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本文给出了多路光导纤维探测系统的原理及初步实验结果。探测系统的空间分辨能力为1.2mm,时间分辨能力由采样速率来决定。利用本系统测量了氦灯中He I 5875体发射系统的时间—空间变化。其结果与理论分析相吻合。
This paper presents the principle and preliminary experimental results of multi-channel optical fiber detection system. The detection system has a spatial resolution of 1.2mm and the time resolution is determined by the sampling rate. The system was used to measure the time-space variation of He I 5875 emission system in helium lamps. The result is in line with the theoretical analysis.