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2001 Volume 18 Issue 7
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龚学余, 段旭如, H. Lange, A. A. Meyer-Plath. 2001: Detection of NH2 Radical in Ammonia Radio-Frequency Plasmas by Laser-Induced Resonance Fluorescence, Chinese Physics Letters, 18(7): 939-941.
Citation: 龚学余, 段旭如, H. Lange, A. A. Meyer-Plath. 2001: Detection of NH2 Radical in Ammonia Radio-Frequency Plasmas by Laser-Induced Resonance Fluorescence, Chinese Physics Letters, 18(7): 939-941.
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Detection of NH2 Radical in Ammonia Radio-Frequency Plasmas by Laser-Induced Resonance Fluorescence

  • Department of Technological Physics, Nanhua University, Hengyang 421001

  • Institute of Low Temperature Plasma Physics, Greifswald, 17489 Germany

  • Available Online: 30/07/2001
  • Fund Project: the National Natural Science Foundation of China under Grant No. 19875083
  • By means of one photon absorption laser-induced resonance fluorescence at 599.5nm the relative concentrations of the 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 l01-211 of the P-branches of the ∑ vibronic sub-bands can be described by a single-exponential decay.The decay time of NH2(A2A1) ∑ (0, 9, 0) rovibronic state was determined. The spatial dependence of the NH2 density in the discharge tube was measured.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Detection of NH2 Radical in Ammonia Radio-Frequency Plasmas by Laser-Induced Resonance Fluorescence

  • Available Online: 30/07/2001

Abstract: By means of one photon absorption laser-induced resonance fluorescence at 599.5nm the relative concentrations of the 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 l01-211 of the P-branches of the ∑ vibronic sub-bands can be described by a single-exponential decay.The decay time of NH2(A2A1) ∑ (0, 9, 0) rovibronic state was determined. The spatial dependence of the NH2 density in the discharge tube was measured.

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