Photo and 3D graphical representation with exploded views of the plasma source. Here, 1—the porthole, 2—the circle electrode, 3—main section of the vacuum chamber, 4—the diagnostic Langmuir probe.
Electron density in the center of the inner region (a) in the range of 10 Pa to 60 Pa with air gas for total input power of 0.72 kW, (b) in the range of 0.06 kW to 2.4 kW for air gas with the chamber pressure of 10 Pa.
(a) Images of luminosity distributions of plasma for different chamber pressures of 59 Pa, 33 Pa, and 10 Pa with the same input power of 0.72 kW. (b)Line plasma luminosity distributions for the total input power of 0.72 kW and the chamber pressure of 10 Pa to 59 Pa.
Uniformity of the luminosity distributions of plasma in the inner region (a) in the range of 10 Pa to 60 Pa for air gas with total input power of 0.72 kW, (b) in the range of 0.06 kW to 2.4 kW with air gas for the chamber pressure of 10 Pa.
Schematic and photoshop of the experimental setup of wave propagation in plasma.
Theory model of electromagnetic wave propagation in the plasma generator.
Attenuation measured data and the theory calculation curve of electromagnetic wave propagation through the plasma for GPS frequency 1.575 GHz.
The error analysis of experimental result.
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