Fast radial scanning probe system on KTX

被引：0

作者：

邓体建 ^{[1
]}

兰涛 ^{[1
]}

谭名昇 ^{[1
]}

朱军锋 ^{[1
]}

吴捷 ^{[1
]}

许航齐 ^{[1
]}

陈晨 ^{[1
]}

阿迪里 ^{[1
]}

张森 ^{[1
]}

邬佳仁 ^{[1
]}

祖一鸣 ^{[1
]}

毛文哲 ^{[1
]}

李弘 ^{[1
]}

谢锦林 ^{[1
]}

刘阿娣 ^{[1
]}

刘子奚 ^{[1
]}

吴征威 ^{[1
]}

汪海 ^{[1
]}

温晓辉 ^{[1
]}

周海洋 ^{[1
]}

卫子安 ^{[1
]}

肖持进 ^{[1
,2
]}

丁卫星 ^{[1
]}

庄革 ^{[1
]}

刘万东 ^{[1
]}

机构：

[1] KTX Laboratory and Department of Engineering and Applied Physics, University of Science and Technology of China

[2] Plasma Physics Laboratory, University of Saskatchewan

来源：

Plasma Science and Technology | 2020年 / 04期

基金：

中国国家自然科学基金;

关键词：

radial scanning probe; high-speed movement; noncontact magnetic grating ruler;

D O I：

暂无

中图分类号：

TL631.2 [闭合等离子体装置];

学科分类号：

摘要：

A fast radial scanning probe system was constructed for the Keda Torus eXperiment（KTX） to measure the profiles of boundary plasma parameters such as floating potential, electron density,temperature, transport fluxes, etc. The scanning probe system is driven by slow and fast motion mechanisms, corresponding to the stand-by movement of a stepping motor and the fast scanning movement of a high-torque servo-motor, respectively. In fast scanning, the scanner drives the probe radially up to 20 cm at a maximum velocity of 4.0 m s;. A noncontact magnetic grating ruler with a high spatial resolution of 5 μm is used for the displacement measurement. New scanning probe can reach the center of plasmas rapidly. The comparison of plasma floating potential profiles obtained by a fixed radial rake probe and the single scanning probe suggests that the high-speed scanning probe system is reliable for measuring edge plasma parameter profiles on the KTX device.

引用

页码：99 / 106

页数：8

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谭名昇
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阿迪里
张森
邬佳仁
祖一鸣
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谢锦林
刘阿娣
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吴征威
汪海
温晓辉
周海洋
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肖持进
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庄革
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