normalized excitation

fig2 PROES

Phase resolved excitation into the states He(33S), Ar(2p1), O(3p5P) and O(3p3P). Conditions: 1 slm He, 5 sccm O2, 0.5 sccm Ar, 270 V, f =13.56 MHz. 20 values between 0 and 74ns.