Electric and plasma characteristics of RF discharge plasma actuation under varying pressures

Song Huimin^†,, Jia Min, Jin Di, Cui Wei, Wu Yun

Optical emission spectrogram with the operating pressure of 10000 Pa. (a) P_L = 14 W, exposure time is 1000 ms; (b) P_L = 23 W, exposure time is 1000 ms; (c) P_L = 33 W, exposure time is 500 ms.