Spectral Characteristics of Needle Array-Plate Dielectric Barrier Discharge Plasma and Its Activated Water

Figure 3

Plasma discharge diagrams at (a) needle-dielectric plate distance of 4 cm and voltages of 15, 20, and 25 kV and (b) voltage of 20 kV and needle-dielectric plate distances of 3, 4, and 5 cm.

(a)

(b)