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由两道8mm波段,一道4mm和一道2mm波段组成的四道微波干涉仪已经用在HL-1装置的等离子体电子密度测量上。2mm微波干涉仪测到了接近5×10~(13)(cm~(-3))的平均电子密度。在多道微波干涉仪的可测密度范围内,我们测得了HL-1装置等离子体小圆截面上的电子密度分布。利用微机进行数据处理的工作也取得了可喜的进展。
A four-channel microwave interferometer consisting of two 8mm bands, one 4mm band, and one 2mm band has been used for plasma electron density measurements in HL-1 devices. The average electron density approaching 5 × 10 ~ (13) cm ~ (-3) was measured by 2mm microwave interferometer. In the measurable density range of multi-channel microwave interferometer, we measured the electron density distribution on the small circular cross section of HL-1 device plasma. The use of computer data processing has also made encouraging progress.