Correlations between density distributions, optical spectra, and ion species in a hydrogen plasma

被引：11
作者：
Cortazar, O. D. [1 ]
Megia-Macias, A. [2 ,4 ]
Tarvainen, O. [3 ]
Kalvas, T. [3 ]
Koivisto, H. [3 ]
机构：
[1] Univ Castilla La Mancha, INEI Inst Energy Res, Camilo Jose Cela S-N, Ciudad Real 13170, Spain
[2] ESS Bilbao Consortium, Poligono Ugaldeguren 3, Pol A 7B, Zamudio 48170, Vizcaya, Spain
[3] Univ Jyvaskyla, Dept Phys, POB 35 YFL, Jyvaskyla 40500, Finland
[4] CERN, BE ABP HSL Dept, CH-1211 Geneva, Switzerland
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2016年 / 87卷 / 02期
关键词：
Population distribution - Mass spectrometry - Electric discharges - Hydrogen - Ions;
D O I：
10.1063/1.4931720
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
An experimental study of plasma distributions in a 2.45 GHz hydrogen discharge operated at 100 Hz repetition rate is presented. Ultrafast photography, time integrated visible light emission spectra, time resolved Balmer-alpha emission, time resolved Fulcher Band emission, ion species mass spectra, and time resolved ion species fraction measurements have been implemented as diagnostic tools in a broad range of plasma conditions. Results of plasma distributions and optical emissions correlated with H+, H-2(+), and H-3(+) ion currents by using a Wien filter system with optical observation capability are reported. The magnetic field distribution and strength is found as the most critical factor for transitions between different plasma patterns and ion populations. (C) 2015 AIP Publishing LLC.
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页数：5
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