Fig. 1. Structure of the plasma synthetic jet actuator.

Fig. 2. Light transmittance curve of the human cornea.

Fig. 3. Plasma emission spectra in the visible range with different capacitances at the electrode spacing of 1.9 mm. (a) Spectrum at 0.16 µF, (b) spectrum at 0.32 µF, and (c) spectrum at 0.48 µF.

Fig. 4. Plasma emission spectrum in the visible range with 0.16 µF at different electrode spacings. (a) Spectrum at the electrode spacing of 1.9 mm, (b) spectrum at the electrode spacing of 3 mm, and (c) spectrum at the electrode spacing of 4.5 mm.

Fig. 5. Comparison diagram of plasma luminescence color, electron temperature, and electron density under different working conditions. (a) Comparison diagram of plasma luminescence color, electron temperature, and electron density under different capacitances at electrode spacing of 1.9 mm, and (b) comparison diagram of plasma luminescence color, electron temperature, and electron density under different electrode spacings when capacitance is 0.16 µF.

Fig. 6. Comparison between measured color and calculated color.