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本文介绍了八毫米波线微波干涉仪及三厘米波段微波吸收仪.它们是利用微波技术来研究诊断瞬变等离子体的方法的必须工具.这方法是使微波束通过等离子体,然后测量其相位及幅值的变化.八毫米仪器工作频率为36.6千兆周/秒,可测最大电子密度值为1.66×10~(13)电子/厘米~3.三厘米仅器工作频率为9292兆周/秒,可测最大电子密度值为1.07×10~(12)电子/厘米~3.我们利用上述仪器在“小龙”装置上进行了大量实验,获得了满意的结果.
This article describes the eight millimeter wave microwave interferometer and the three-centimeter microwave absorbers, which are tools for using microwave techniques to study methods of diagnosing transient plasmas by passing the microwave beam through a plasma and measuring its phase And amplitude changes. Eight millimeter instrument operating frequency of 36.6 gigabits per second, the maximum measurable electron density of 1.66 × 10 ~ (13) electrons / cm ~ 3. Three cm only operating frequency of 9292 megacycles / Sec, the maximum measurable electron density of 1.07 × 10-12 electrons / cm ~ 3. We use the above equipment in the “dragons” device on a large number of experiments, and obtained satisfactory results.