Figure 9: Measured absolute density profiles of He-I 1s2s 3S1 metastables
Measured absolute density profiles of He-I 1s2s 3S1 metastables between the electrodes - (a) for N = 1 and 0.05 % of O2, (b) and (c) for N = 4 and two different concentrations of the O2 admixture of