Focused Microwave Technique for Measurement of the Ionization Rate and Collision Frequency

@article{Scharfman1964FocusedMT,
  title={Focused Microwave Technique for Measurement of the Ionization Rate and Collision Frequency},
  author={W. Scharfman and T. Morita},
  journal={Journal of Applied Physics},
  year={1964},
  volume={35},
  pages={2016-2020}
}
A technique for the measurement of ionization rate and collision frequency in gases uses high‐powered focused microwaves. By using short pulses and focusing the energy into a small spot within a large vacuum chamber, diffusion losses are made negligible. Under these conditions the breakdown equation can be simply solved for the ionization rate in terms of easily measured parameters—the pressure, pulse width, and electric field. Experimental results with this technique are compared with… Expand
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