The Evolution of the Optical Emission Pattern of a Nanosecond Pulsed Helium Microdischarge With a Pin-to-Pin Electrode at Atmospheric Pressure


The evolution of a nanosecond pulsed microdischarge with a pin-to-pin electrode configuration in atmospheric pressure helium is obtained using the spatially and temporally resolved optical emission measurement. Three phases of the discharge mode are identified: 1) the establishment of the discharge channel, evidenced by the propagation of the emission from… (More)

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