Schematic of the 3 tubes plasma jet array.
(a) Current and voltage characteristics (CVC) of pulsed RF plasma jet array in one pulse cycle. The inserted picture is taken with 10 ms exposure time, and the brown line shows the tube exit position, white line in the top shows the length of 1 cm. (b) CVC of pulsed dc jet array. The inserted picture has the same condition as the top one.
The pulsed RF jet array development in the pulse on and pulse off periods. Each image was taken with 5 ns exposure time. The starting time of each image is with reference to Fig. 1(a).
The pulsed RF jet array dynamics in two rf cycles during pulse on period. Each image was taken with 5 ns exposure time. [(a)–(d) and (f)–(i)] wavelength-integrated, (e) and (j) 706 nm.
The pulsed dc jet array dynamics in the pulse rising and falling phase. Each image was taken with 5 ns exposure time. [(a)–(d) and (h)–(j)] wavelength-integrated, (e) 391 nm, (f) 706 nm, and (g) 777 nm.
Optical emission intensity at 309 nm and 777 nm along the plasma plume of pulsed RF and pulsed dc plasma jet array.
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