Design of phase contrast imaging on the HL-2A tokamak

被引：11
|
作者：
Gong, S. B. [1 ,2 ]
Yu, Y. [1 ]
Xu, M. [2 ]
Jiang, W. [1 ]
Zhong, W. L. [2 ]
Shi, Z. B. [2 ]
Wang, H. J. [1 ]
Wu, Y. F. [1 ,2 ]
Yuan, B. D. [1 ,2 ]
Lan, T. [3 ]
Ye, M. Y. [1 ]
Duan, X. R. [2 ]
机构：
[1] Univ Sci & Technol China, Sch Nucl Sci & Technol, Jinzhai Rd 96, Hefei 230026, Anhui, Peoples R China
[2] Southwest Inst Phys, POB 432, Chengdu 610041, Sichuan, Peoples R China
[3] Univ Sci & Technol China, Dept Modern Phys, Jinzhai Rd 96, Hefei 230026, Anhui, Peoples R China
来源：
FUSION ENGINEERING AND DESIGN | 2017年 / 123卷
基金：
中国国家自然科学基金;
关键词：
HL-2A; PCI; Phase shift; Plasma density fluctuations; TRANSPORT;
D O I：
10.1016/j.fusengdes.2017.04.072
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
In this article we present the design of a phase contrast imaging (PCI) system on the HL-2A tokamak. This diagnostic is developed to infer line integrated plasma density fluctuations by measuring the phase shift of an expanded CO2 laser beam passing through magnetically confined high temperature plasmas. This system is designed to diagnose plasma density fluctuations with the maximum wavenumber of 15 cm(-1). The designed wavenumber resolution is 2 cm(-1), and the time resolution can reach 2 mu s. The broad kp, ranging from 0.2 to 3 makes it suitable for turbulence measurement. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：802 / 806
页数：5
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