THE USE OF HIGH-ORDER TMOMO MODES OF A RESONANT CAVITY FOR MAGNETIZED PLASMA-DENSITY MEASUREMENTS

被引：3
作者：
PARIS, PJ
SAWLEY, ML
TRAN, MQ
VOSER, K
机构：
[1] Centre de Recherches en Physique des Plasmas, Confédération Suisse, Ecole Polytechnique Fédérale de Lausanne, CH-1007 Lausanne, 21, Av. des Bains
来源：
JOURNAL OF APPLIED PHYSICS | 1990年 / 67卷 / 01期
关键词：
D O I：
10.1063/1.345290
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A study of the application of high-order TM0m0 modes of a cylindrical cavity to the measurement of the density of a magnetized plasma column is presented. It is shown theoretically that judiciously chosen high-order modes have the potential advantages of both a wide operational range of densities, and a wide range for which a simple perturbation theory is valid. Furthermore, an experiment is described which shows that the TM060 mode can be excited with a sufficiently high Q value to allow accurate determination of the resonant frequencies, and hence plasma density. Favorable comparison between densities in the range 1010-10 12 cm-3 measured by means of the resonant cavity technique and microwave interferometry is presented.
引用
收藏
页码：124 / 129
页数：6
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