Basic study on force induction using dielectric barrier microplasma array

Abstract Kinetic force induction using dielectric barrier microplasma at atmospheric was experimentally investigated in this study. Owing to a micrometer-scale (25 µm) gap, microplasma was generated at only −1.4 kV in atmospheric air. Emission spectrum measurements were determine to identify the microplasma characteristics. Light emission of the N 2 second positive system (SPS) was observed. The lifetime of emission signals for the N 2 SPS for the microplasma was about 50 ns. SiO 2 glass beads of 50 µm diameter were distributed on the surface of an electrode to observe the kinetic force generated by microplasma. Glass bead movements were observed using the Nd; YVO 4 laser of 532 nm wavelength and a high-speed camera. When the microplasma electrodes were energized at −1.4 kV, the glass beads moved. Analysis of the obtained photo data showed that the glass beads rose to 5 mm above the microplasma electrodes at a velocity of 1 mm/ms.