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The Using of Soft X-ray Radiation Created by a Nanosecond Sliding Discharge Plasma for Preionization of an Active Medium in Gas Lasers
IEEE Transactions on Plasma Science ( IF 1.3 ) Pub Date : 2021-03-23 , DOI: 10.1109/tps.2021.3064215
Y. Rybin 1 , N. Kalinin 2 , M. Timshina 2
Affiliation  

This work is dedicated to a method for preionization of a laser medium (that is the most popular ones-CO 2 - and CO-lasers) using X-ray radiation created by a nanosecond sliding discharge (NSD). An experimental study has been carried out on the influence of the initial pressure and the composition of the gaseous medium on the intensity of X-ray bremsstrahlung. In order to estimate this intensity, a special sensor is used; it can measure free electron density that, in our, case is created during photoionization by X-ray radiation from an NSD. It is shown that in case an X-ray emitter is filled with argon, the photoelectron density in the vicinity of a cathode is about 15 times higher than in case the X-ray emitter is filled with helium. Moreover, when the gas volume of the X-ray emitter is filled with argon, the energy spectrum of the “runaway” electrons shifts to the region of lower values of their energy.

中文翻译:

纳秒级滑动放电等离子体产生的软X射线辐射用于气体激光器中活性介质的预电离

这项工作致力于激光介质(即最流行的CO 2-)的电离方法。 -和CO激光)使用由纳秒级滑动放电(NSD)产生的X射线辐射。已经进行了关于初始压力和气态介质组成对X射线致辐射强度的影响的实验研究。为了估算该强度,使用了特殊的传感器。它可以测量自由电子密度,在我们的情况下,这种自由电子密度是由NSD发出的X射线在光电离过程中产生的。已经表明,在X射线发射器填充有氩气的情况下,阴极附近的光电子密度比在X射线发射器填充氦气的情况下高约15倍。此外,当X射线发射器的气体体积充满氩气时,“失控”电子的能谱移至其能量较低的区域。
更新日期:2021-04-13
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