The plasma density and the reduced-electric-field (REF) parameters of CO₂ gas laser have been measured and calculated at the maximum and minimum discharge current in terms of the similarity variable in order to investigate the discharge regimes. These parameters have been obtained with various combinations of ratios of CO₂: N₂: He gases. The obtained results were based on a new definition of the reduced-mobility variable for each gas species. The REF values had reducing behavior and did not much differed at both maximum and minimum discharge currents. The electron density had ascending behavior at the maximum discharge current, while it remained almost constant at the minimum discharge current. These results show that the regime of normal glow predominates at the minimum current, while a sub-normal glow regime governs at the maximum discharge current

为了研究放电方式，已经根据相似性变量在最大和最小放电电流下测量并计算了CO ₂气体激光器的等离子体密度和减小电场（REF）参数。这些参数是通过CO ₂：N ₂的比率的各种组合获得的：他放气。获得的结果基于每种气体物种的迁移率变量的新定义。REF值具有减小的性能，并且在最大和最小放电电流下都没有太大差异。电子密度在最大放电电流下具有上升的行为，而在最小放电电流下几乎保持恒定。这些结果表明，正常辉光状态在最小电流下占主导，而次正常辉光状态在最大放电电流下占主导。