首页|Polarimeter-interferometer diagnostic using terahertz solid-state sources for fluctuation measurements on Keda Torus eXperiment(KTX)

Polarimeter-interferometer diagnostic using terahertz solid-state sources for fluctuation measurements on Keda Torus eXperiment(KTX)

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A multi-channel polarimeter-interferometer has been developed on the Keda Torus eXperiment(KTX)for the study of equilibrium dynamics and internal magnetic fluctuations.A three-wave technique based on terahertz solid-state sources(～650 GHz)is applied for simultaneous measurements of electron density and Faraday rotation angle.The output power of the microwave source is 2 mW.Faraday rotation effect using a rotating wave plate is tested with phase noise less than 0.8°,and the density phase noise is less than 0.9°.Measurement of Faraday rotation angle and density for discharges on KTX have demonstrated high sensitivity to internal MHD activities.

plasma diagnosticsinterferometryterahertzpolarimeter

汪兴康、毛文哲、谢锦林、兰涛、李弘、刘阿娣、周楚、温晓辉、卫子安、吴捷、陈晨、刘东宽、饶贤昊、蔡虎、邬佳仁、邓鹏、刘海庆、丁卫星、庄革、刘万东

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School of Nuclear Science and Technology,University of Science and Technology of China,Hefei 230026,People's Republic of China

Institute of Plasma Physics,Chinese Academy of Sciences,Hefei 230031,People's Republic of China

国家自然科学基金中央高校基本科研业务费专项Collaborative Innovation Program of Hefei Science Center,CAS

12175227USTC 202100792022HSC-CIP022

2024

10.1088/2058-6272/ad0d55

等离子体科学和技术(英文版)
中国科学院合肥物质科学研究所 中国力学学会

等离子体科学和技术(英文版)

EI
影响因子：0.297
ISSN：1009-0630
年,卷(期)：2024.26(3)
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