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本文描述了为测量ＨＬ－１装置电子密度分布而研制的多道远红外（ＦＩＲ）激光干涉仪系统及其特点。首次对装置在弹丸加料以及拉瓦尔（Ｌａｖａｌ）超声分子束注入实验条件下的等离子体电子密度时－空分布进行了观测和初步分析。同时，介绍一种处理密度相移信号的新方法。
This article describes the multi-channel far-infrared (FIR) laser interferometer system and its features developed to measure the electron density distribution of HL-1 devices. For the first time, the time-space distribution of plasma electron density under the experimental conditions of charged pellets and Laval ultrasonic molecular beam injection were observed and preliminary analyzed. In the meantime, a new method of processing the density phase shift signal is introduced.