Concentration measurement of NO using self-absorption spectroscopy of the γband system in a pulsed corona discharge
作者： Xiaodong Zhai , Yanjun Ding , Zhimin Peng , Rui Luo
DOI: 10.1364/AO.51.004605
关键词:
摘要: Nitric oxide (NO) concentrations were measured using the γ band system spectrum based on strong self-absorption effect of NO in pulsed corona discharges. The radiative transitional intensities simulated theory molecular spectroscopy. some bands, especially γ(0,0) and γ(1,0), are weakened by self-absorption. correlations between spectral concentration validated a modified Beer–Lambert law with combined factor K relating branching ratio concentration, nonlinear index α that is applicable to broadband system. Optical emissive spectra discharges N2/He mixtures used evaluate two parameters for various conditions. Good agreement experimental theoretical results verifies behavior seen UV bands.
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