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Area of Science:

  • Plasma Physics
  • Electrical Engineering

Background:

  • Uniform and diffuse plasma generation requires specific high-voltage pulse characteristics.
  • Dielectric Barrier Discharge (DBD) is a key technique for plasma production.

Purpose of the Study:

  • To construct and characterize a compact solid-state unipolar pulse generator for Dielectric Barrier Discharge (DBD) plasma.
  • To enable the generation of uniform and stable homogeneous plasma.

Main Methods:

  • Developed a compact solid-state unipolar pulse generator.
  • Configured the generator for repetitive pulses (315 ns width, up to 5 kV amplitude, up to 10 kHz frequency).
  • Successfully generated Dielectric Barrier Discharge (DBD) plasma in a xenon tube.

Main Results:

  • The pulse generator successfully produced uniform and stable homogeneous Dielectric Barrier Discharge (DBD) plasma.
  • Achieved plasma generation at 400 mbar pressure using xenon.
  • The generator's output pulse amplitude is dependent on DC input voltage and frequency is controlled by trigger pulse frequency.

Conclusions:

  • The developed compact solid-state unipolar pulse generator is effective for producing uniform DBD plasma.
  • This generator provides a versatile tool for various DBD applications requiring specific pulse parameters.
  • Successful plasma generation in xenon at 400 mbar demonstrates the system's capability.