从自吸收畸变的共振多重态内测量的相对强度光谱测定非平衡等离子体中绝对原子密度的机会
On the opportunity of spectroscopic determination of absolute atomic densities in non-equilibrium plasmas from measured relative intensities within resonance multiplets distorted by self-absorption
摘要：
研究了这种方法在非平衡等离子体发射光谱中的应用前景。该方法包括几种方法的测定{\em绝对}粒子密度的原子从测量的{ \em相对}强度内的共振多重态扭曲的自吸收。分析了从硼到镓的具有多重基态的原子的共振谱线的所有可用光谱数据。结果表明，对于C、O、F、S、Cl等原子，应用该方法需要真空紫外技术，而对于B、Al、Si、Sc、Ti、V、Co、Ni、Ga等原子，则可以通过发射光谱的紫外和可见光部分的强度测量来获得原子密度，适用于包括工业等离子体技术在内的非平衡等离子体的光学诊断和监测的普通光谱仪。
英文摘要：
The opportunities of the application of the recently proposed approach in optical emission spectroscopy of non-equilibrium plasmas have been studied. The approach consists of several methods of the determination of {\em absolute} particle densities of atoms from measured {\em relative} intensities within resonance multiplets distorted by self-absorption. All available spectroscopic data concerning resonance spectral lines of atoms having multiplet ground states from boron up to gallium were analyzed. It is found that in the case of C, O, F, S and Cl atoms an application of the methods needs VUV technique, while densities of B, Al, Si, Sc, Ti, V, Co, Ni, Ga atoms may be obtained by means of the intensity measurements in UV and visible parts of emission spectra suitable for ordinary spectrometers used for optical diagnostics and monitoring of non-equilibrium plasmas including industrial plasma technologies.
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