Mode filtering based on ponderomotive force nonlinearity in a plasma filled rectangular waveguide

H SOBHANI; H R SABOUHI; S FEILI; E DADAR

doi:10.1088/2058-6272/aa8089

Plasma Science and Technology > 2017 > 19(10): 105504. > DOI: 10.1088/2058-6272/aa8089

H SOBHANI, H R SABOUHI, S FEILI, E DADAR. Mode filtering based on ponderomotive force nonlinearity in a plasma filled rectangular waveguide[J]. Plasma Science and Technology, 2017, 19(10): 105504. DOI: 10.1088/2058-6272/aa8089

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Mode filtering based on ponderomotive force nonlinearity in a plasma filled rectangular waveguide

1 Young Researchers and Elite Club, Qom Branch, Islamic Azad University, Qom, Iran 2 Department of Electrical Engineering, Hormoz Branch, Islamic Azad University, Hormoz Island, Iran 3 Department of Physics, Shahid Bahonar University, Kerman, Iran 4 Faculty of Economic, Mofid University, Qom, Iran

Funds: This work was supported by Hormoz branch, Islamic Azad University, Iran, Hormoze Island grant. We also thank the faculty members at the electrical engineering department for their cooperation and for being welcoming during the project.

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Received Date: May 10, 2017

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Abstract

Abstract

Here a new scheme for mode filtering is proposed. Based on the ponderomotive force effect, propagation of the microwave dual-mode through a plasma-filled metallic rectangular waveguide is investigated. To excite the TE₂₀ mode in a rectangular waveguide, the existence of fundamental modes is unavoidable. To filter the destructive mode (TE₁₀), the waveguide is filled with a collisional plasma. Based on the coupling effect, the energy of this destructive TE₁₀ mode is transferred to the TE₂₀ mode. The proposed structure acts like a mode convertor. The TE₁₀ mode become more attenuated and instead the TE₂₀ mode is amplified. The plasma filled rectangular waveguide acts as a mode filtering tool.
- mode filtering,
- mode convertor,
- collisional plasma,
- ponderomotive force

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References (31)

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