[9p-E308-1~15] 8.1 Plasma production and diagnostics

1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[9p-E308-1] Measurement of Density Distribution of Atomic Oxygen Generated by a Single Streamer Discharge in Atmospheric Air

〇(M2)Tomoya Mizutani¹, Fumiyoshi Tochikubo¹, Yusuke Nakagawa¹ (1.Tokyo Metro Univ.)

Keywords:

Plasma,TALIF,O-atom

Measurement of the density distribution of atomic oxygen generated by a single streamer discharge in atmospheric-pressure air, using a highly reproducible Single Filament Streamer (SFS) apparatus and the TALIF method. The O-atom density was highest near the needle electrode and increased overall as the charging voltage rose. Generation near the plate electrode was attributed to the primary streamer, suggesting that short-pulse voltage is effective for plasma oxidation treatment. The radius of the O-atom generation region expanded from the needle toward the plate, increasing the voltage left the streamer diameter unchanged while raising only the O-atom density.