Design of Thomson scattering diagnostic system on linear magnetized plasma device

被引：2
|
作者：
Xu, Mengmeng [1 ]
Zhang, Qiaofeng [2 ]
Xie, Jinlin [1 ]
机构：
[1] Univ Sci & Technol China, Sch Nucl Sci & Technol, Dept Plasma Phys & Fus Engn, Hefei 230026, Peoples R China
[2] Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Geosci Environm, Hefei 230026, Peoples R China
来源：
PLASMA SCIENCE & TECHNOLOGY | 2022年 / 24卷 / 06期
关键词：
Thomson scattering; low temperature plasma; EVDF;
D O I：
10.1088/2058-6272/ac6d43
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
In addition to the magnetic confinement fusion plasma, Thomson scattering has been applied to measure electron density and temperature of low-temperature plasmas. Based on a linear magnetized plasma device, a set of Thomson scattering diagnostic system is designed to diagnose the plasma with n(e) = 10(18)-10(19) m(-3) and T-e = 2-5 eV. Due to low plasma temperature and density, this diagnostic system needs high spectral resolution and collection efficiency to meet the requirements of electron velocity distribution function measurements. Through the bench test, it is confirmed that the spectral resolution reaches 0.01 nm, and theoretical collection efficiency is high enough to obtain a Thomson scattering spectrum by 1000 accumulations.
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页数：4
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