Simultaneous plasma and electric field diagnostics of microdischarge from hydrogen Balmer line shape

被引：14
|
作者：
Spasojevic, Dj. [1 ]
Cvejic, M. [1 ]
Sisovic, N. M. [1 ]
Konjevic, N. [1 ]
机构：
[1] Univ Belgrade, Fac Phys, Belgrade 11001, Serbia
来源：
APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 24期
关键词：
argon; electron density; glow discharges; hydrogen; plasma density; plasma diagnostics; plasma sheaths; spectral line broadening; DISCHARGE; EMISSION;
D O I：
10.1063/1.3449129
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Hydrogen Balmer beta line shape from a microhollow gas discharge in argon with traces of hydrogen is used for simultaneous diagnostics of plasma and cathode sheath parameters. Simple model of relevant processes responsible for line broadening is developed and results favorably compared with experiment at 500 mbar with the electron density 3.8x10(20) m(-3) and electric field strength of 127 kV/cm in the cathode sheath region. (C) 2010 American Institute of Physics. [doi:10.1063/1.3449129]
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页数：3
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