Detection of NH2 Radical in Ammonia Radio-Frequency Plasmas by Laser-Induced Resonance Fluorescence
GONG Xue-Yu1 , X. R. Duan2 , H. Lange2 , A. A. Meyer-Plath2
1 Department of Technological Physics, Nanhua University, Hengyang 421001
2 Institute of Low Temperature Plasma Physics, Greifswald, 17489 Germany
Detection of NH2 Radical in Ammonia Radio-Frequency Plasmas by Laser-Induced Resonance Fluorescence
GONG Xue-Yu1 ;X. R. Duan2 ;H. Lange2 ;A. A. Meyer-Plath2
1 Department of Technological Physics, Nanhua University, Hengyang 421001
2 Institute of Low Temperature Plasma Physics, Greifswald, 17489 Germany
关键词 ：
52.75.Rx ,
52.77.Dq
Abstract ： By means of one photon absorption laser-induced resonance fluorescence at 599.5 nm the relative concentrations of amidogen (NH2 ) radical in the ammonia (NH3 ) radio-frequency (rf) plasma source were measured under different discharge pressures and rf powers. The time dependence of the fluorescence which comes from the radiation 101 -211 of the P-branches of the Σ vibronic sub-bands can be described by a single-exponential decay. The decay time of NH2 (A2 A1 ) Σ (0, 9, 0) rovibronic state was determined. The spatial dependence of the NH2 density in discharge tube was measured.
Key words ：
52.75.Rx
52.77.Dq
出版日期: 2001-07-01
引用本文:
GONG Xue-Yu;X. R. Duan;H. Lange;A. A. Meyer-Plath. Detection of NH2 Radical in Ammonia Radio-Frequency Plasmas by Laser-Induced Resonance Fluorescence[J]. 中国物理快报, 2001, 18(7): 939-941.
2 Radical in Ammonia Radio-Frequency Plasmas by Laser-Induced Resonance Fluorescence. Chin. Phys. Lett., 2001, 18(7): 939-941.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2001/V18/I7/939
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