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Wide Emission Bands of Plasma of a Sub-Nanosecond Discharge in Xenon and Inaccuracies in Their Measurements
IEEE Transactions on Plasma Science ( IF 1.5 ) Pub Date : 2021-04-13 , DOI: 10.1109/tps.2021.3070333
Alexei N. Panchenko , Dmitry V. Beloplotov , Vladislav Viktorovich Kozevnikov , Dmitry A. Sorokin , Victor F. Tarasenko

The parameters of a discharge in xenon formed by voltage pulses with a duration at half-maximum of 0.7 ns were studied. It has been confirmed that at the stage of the formation of the diffuse discharge, the most intense radiation in the 120–800-nm region is concentrated in the band with a maximum at the wavelength of 172 nm (the second continuum of xenon dimers). It was found that recombination continua appear after the discharge contraction, which occurs faster with a decrease in the interelectrode distance or an increase in the input energy. It is shown that the Xe $_{2}^\ast $ radiation pulse duration at gas pressures of 0.3–3 atm significantly exceeds the duration of the incident voltage pulse. In their articles, Baryshnikov and Paperny claim that there is no radiation of the second continuum in a diffuse discharge plasma of xenon. Thus, the results obtained indicate that the data given in these articles require additional verification of the measuring techniques of VUV radiation, as well as, the voltage across the gap and discharge current.

中文翻译:

氙亚纳秒放电的宽等离子体发射带及其测量中的不准确性

研究了由最大持续时间为0.7 ns的一半的电压脉冲形成的氙气放电参数。已经证实,在扩散放电形成的阶段,在120-800nm区域中最强的辐射集中在最大波长为172nm的波段内(氙二聚体的第二连续体)。 。已经发现,在放电收缩之后出现了重组连续体,随着电极间距离的减小或输入能量的增加,复合连续体发生得更快。显示Xe $ _ {2} ^ \ ast $ 在气压为0.3–3 atm的情况下,辐射脉冲的持续时间大大超过了入射电压脉冲的持续时间。Baryshnikov和Paperny在他们的文章中声称,氙的弥散放电等离子体中没有第二连续体的辐射。因此,获得的结果表明,这些文章中提供的数据需要对VUV辐射的测量技术以及间隙上的电压和放电电流进行额外的验证。
更新日期:2021-05-11
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