Abstract
In the condition of positive polarity DC glow corona discharge for rod-plane and wire-plane gap arrangement in the atmospheric air, when this ion drift space is irradiated by pulsed-laser, streamer corona will be induced with high probability. The occurrence of the streamer corona and it's propagation process were observed with high-speed camera in detail. From above results, we can see that electron-burst which is produced from negative ions by laser photo-detachment process, drifts to glow corona area and streamer corona is induced, and we knew also that streamer corona is consisted by primary streamer and secondary streamer. Further, different position of the discharge axis is irradiated by laser, we obtain the time lag of the induced streamer corona. By this way, it is verified that the measurement of the space charge electric field in the ion drift space is possible.
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