Far-forward collective scattering measurements by FIR polarimeter-interferometer on J-TEXT tokamak

被引：4

作者：

Shi, P. ^{[1
]}

Chen, J. ^{[1
]}

Gao, L. ^{[1
]}

Liu, Y. ^{[1
]}

Liu, H. ^{[1
]}

Zhou, Y. N. ^{[1
]}

Zhuang, G. ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Peoples R China

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2016年 / 87卷 / 11期

基金：

中国国家自然科学基金;

关键词：

MICROTURBULENCE; TURBULENCE; TRANSPORT;

D O I：

10.1063/1.4960067

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The multi-channel three-wave polarimeter-interferometer system on J-TEXT tokamak has been exploited to measure far-forward collective scattering from electron density fluctuations. The diagnostic utilizes far infrared lasers operated at 432 mu m with 17-channel vertical chords (3 cm chord spacing), covering the entire cross section of plasma. Scattering laser power is measured using a high-sensitivity Schottky planar diode mixer which can also detect polarimetric and interferometric phase simultaneously. The system provides a line-integrated measurement of density fluctuations with maximum measurable wave number: k(perpendicular to max) = 2 cm(-1) and time response up to 350 kHz. Feasibility of the diagnostic has been tested, showing higher sensitivity to detect fluctuation than interferometric measurement. Capability of providing spatial-resolved information of fluctuation has also been demonstrated in preliminary experimental applications. Published by AIP Publishing.

引用

页数：3

共 35 条

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Chen, J.
Zhuang, G.
Wang, Z. J.
Gao, L.
Li, Q.
Chen, W.
Brower, D. L.
Ding, W. X.
JOURNAL OF INSTRUMENTATION, 2012, 7
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陶沁林
石鹏
高丽
王璐
陈忠勇
江中和
周乙楠
杨诚宇
王钰涵
陈志鹏
王能超
杨州军
丁永华
潘垣
the J-TEXT Team
Plasma Science and Technology, 2022, 24 (06) : 86 - 90
[23] Development of the HCN heterodyne collective scattering system on J-TEXT
陶沁林
石鹏
高丽
王璐
陈忠勇
江中和
周乙楠
杨诚宇
王钰涵
陈志鹏
王能超
杨州军
丁永华
潘垣
the JTEXT Team
Plasma Science and Technology, 2022, (06) : 86 - 90
[24] Development of the HCN heterodyne collective scattering system on J-TEXT
Tao, Qinlin
Shi, Peng
Gao, Li
Wang, Lu
Chen, Zhongyong
Jiang, Zhonghe
Zhou, Yinan
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Wang, Yuhan
Chen, Zhipeng
Wang, Nengchao
Yang, Zhoujun
Ding, Yonghua
Pan, Yuan
PLASMA SCIENCE & TECHNOLOGY, 2022, 24 (06)
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Li, Y. G.
Zhou, Y.
Li, Y.
Wang, H. X.
Deng, Z. C.
Yi, J.
Ji, X. Q.
JOURNAL OF INSTRUMENTATION, 2016, 11
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Li, Y. G.
Zhou, Y.
Ding, W. X.
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FUSION ENGINEERING AND DESIGN, 2018, 137 : 137 - 142
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Chen, J.
Zhuang, G.
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Brower, D. L.
Ding, W. X.
REVIEW OF SCIENTIFIC INSTRUMENTS, 2014, 85 (11):
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Huang, Jiefeng
Gao, Li
Zhou, Yinan
Shi, Peng
Qiu, Qingshuang
Zhuang, Ge
IEEE TRANSACTIONS ON PLASMA SCIENCE, 2018, 46 (11) : 3995 - 3997
[29] Electron density and q profile measurements with the far-IR interferometer polarimeter on the TEXTOR tokamak
Koslowski, HR
Soltwisch, H
FUSION ENGINEERING AND DESIGN, 1997, 34-35 : 143 - 150
[30] APPLICATION OF FIR HETERODYNE-DETECTION TO COLLECTIVE SCATTERING MEASUREMENTS OF TOKAMAK MICROTURBULENCE
BROWER, DL
PEEBLES, WA
KIM, SK
LUHMANN, NC
REVIEW OF SCIENTIFIC INSTRUMENTS, 1988, 59 (08): : 1559 - 1561

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