| 3 | Mode filtering based on ponderomotive force nonlinearity in a plasma filled rectangular waveguide显示文摘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 TE_(20) mode in a rectangular waveguide, the existence of fundamental modes is unavoidable. To filter the destructive mode(TE_(10)), the waveguide is filled with a collisional plasma. Based on the coupling effect, the energy of this destructive TE_(10) mode is transferred to the TE_(20) mode. The proposed structure acts like a mode convertor. The TE_(10) mode become more attenuated and instead the TE_(20) mode is amplified. The plasma filled rectangular waveguide acts as a mode filtering tool. | H SOBHANI H R SABOUHI S FEILI E DADAR | 2017 | Plasma Science and Technology2017，19，10： | 0 |
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