Spectroscopic diagnostics of microhollow gas discharge in hydrogen

被引：5
|
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：
JOURNAL OF APPLIED PHYSICS | 2012年 / 111卷 / 09期
关键词：
CROSS-SECTIONS; SWARM COEFFICIENTS; ENERGIES; PLASMA; H-2;
D O I：
10.1063/1.4718570
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Hydrogen Balmer beta line profile from a microhollow gas discharge (MHGD) in hydrogen is used for diagnostics of cathode sheath (CS) parameters. The profile was recorded from a MHGD microhole (diameter 100 mu m at narrow and 130 mu m at wider side) of a gold-alumina-gold sandwich in the pressure range (100-400) mbars. The average electric field strength in CS (25-46) kV/cm and CS thickness (60-120) mu m were determined by profile fitting with the aid of model recently developed and used in argon MHGD. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4718570]
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页数：3
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