[18a-M_103-1~13] 8.1 Plasma production and diagnostics

10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[18a-M_103-5] High-Time-Resolved Measurement and Validation of Electric Field Distributions in Atmospheric-Pressure Nanosecond-Pulsed Plasma Using E-FISH

〇(M2)Ryo Utsumi¹, Shota Sasaki¹, Keisuke Takashima¹, Toshiro Kaneko¹ (1.Grad. Sch. of Eng., Tohoku Univ.)

Keywords:

E-FISH,Atmospheric pressure plasma,Electric field

Non-equilibrium atmospheric-pressure plasmas, particularly those involving plasma–liquid interfaces, are expected to find applications in various fields; however, the behavior in the interfacial region remains poorly understood. Electric fields associated with the generation of reactive species play an important role in the characterization of non-equilibrium atmospheric-pressure plasmas. In this study, high-time-resolved measurements of electric field strength in atmospheric-pressure nanosecond-pulsed plasma were performed using electric-field-induced second harmonic generation (E-FISH). In addition, changes in the electric field distribution associated with electrical breakdown were investigated and are reported.