Optical and electrical diagnostics for the investigation of edge turbulence in fusion plasmas

被引:20
|
作者
Cavazzana, R
Scarin, P
Serianni, G
Agostini, M
Agostini, FD
Cervaro, V
Lotto, L
Yagi, Y
Sakakita, H
Koguchi, H
Hirano, Y
机构
[1] Assoc Euratom ENEA Fus, Consorzio RFX, I-35127 Padua, Italy
[2] AIST, Tsukuba, Ibaraki 3058568, Japan
来源
REVIEW OF SCIENTIFIC INSTRUMENTS | 2004年 / 75卷 / 10期
关键词
D O I
10.1063/1.1789589
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A new, two dimensional and fast diagnostic system has been developed for studying the dynamic structure of plasma turbulence; it will be used in the edge of the reversed-field pinch devices TPE-RX and RFX. The system consists of a gas-puffing nozzle, 32 optical channels measuring H-alpha emitted from the puffed gas (to study the optical emissivity of turbulent patterns and to analyze structures in two dimensions), and an array of Langmuir probes (to compare the turbulent pattern with the optical method and to measure the local plasma parameters). The signals can be acquired at 10 Msamples/s with 2 MHz band width. The design of the system, calibrations, and tests of the electronic circuitry and the optical sensors are presented. (C) 2004 American Institute of Physics.
引用
收藏
页码:4152 / 4154
页数:3
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