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Voltage and current over one power on phase.
(a), (e) Space- and time- resolved optical emission profiles of the discharge with (a) Ipeak = 90 mA, (e) Ipeak = 120 mA. (b), (f) Space- and time-resolved electron generation (numerical result). (c), (g) Space- and time-electric field (v/cm, numerical result). (d), (h) Power absorbed by the electrons calculated as JeE (mW/cm3) from the simulation data. Here, Je is the electron current density and E is the electric field. (b)-(d) correspond tolow current case of (a), (f), (g), and (h) correspond to high current case of(e).
Space- and time- resolved optical emission profiles (a) and numerical electron generation (e) of the discharge with Ipeak = 154 mA. Space- and time- resolved optical emission at 706 nm (experiment (b) and numerical result (e)), 777 nm (experiment (c) and numerical result (g)). Space- and time-resolved density profiles of He* (d) and He2* (h) (numerical result).
Space and time averaged rate of O(5p1) reaction. Positive frequency means production reactions, and negative frequency means loss reactions.
Photographs of S.au samples on cellulose membrane. Plasma working time is fixed at 10 s. Working gas of pure He and He + O2(1%) are used.
Reactions between He and O2 related with O(5p1).
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