Investigation of role of the discharge tube in pulse modulated surface-wave argon plasma column at atmospheric pressure by optical emission spectroscopy

被引：5
作者：
Chen, Chuan-Jie [1 ,2 ]
Li, Shou-Zhe [1 ,2 ]
Wu, Yue [1 ,2 ]
Zhang, Jialiang [1 ,2 ]
机构：
[1] Dalian Univ Technol, Minist Educ, Key Lab Mat Modificat Laser Ion Electron Beams, Dalian 16024, Peoples R China
[2] Dalian Univ Technol, Sch Phys, Dalian 116024, Peoples R China
来源：
PHYSICS OF PLASMAS | 2019年 / 26卷 / 05期
基金：
中国国家自然科学基金;
关键词：
AXIAL STRUCTURE; TEMPERATURE; PROPAGATION; NEON;
D O I：
10.1063/1.5093670
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：
The axial profiles of the pulse modulated atmospheric pressure surface-wave argon plasma confined in discharge tubes of different diameters are measured by means of optical emission spectroscopy with respect to the emission intensity, gas temperature, and electron density and temperature. Then, the role of the discharge tube is investigated with respect to its diameter. Furthermore, a simplified theoretical model for high collision frequency is proposed for analysis of the experimental results of electron density obtained by the Stark broadening technique, achieving a good agreement between them for discharge tubes of different diameters.
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页数：8
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