Classical Physics


Generation of Endfire Radiations out of an Spoof-surface Plasmon Polariton E-plane Transmission Line

Authors: Louis WY LIU

This presentation is related to an E-plane endfire antenna capable of generating an endfire electromagnetic radiation out of a spoof surface plasmon polariton (SSPP) with substantially enhanced gain. The core of the said antenna is a printed circuit vertically mounted in the center E-plane of a rectangular waveguide. The printed circuit is continuous metal pattern comprising three sections: a tapered section serving as a waveguide-to-SSPP transition, a corrugated transmission media for propagation of an SSPP and another tapered section for impedance matching between the corrugated transmission line and free space. The antenna accepts electromagnetic energy through the waveguide-to-SSPP transition in the input end of a waveguide, propagates the electromagnetic energy in the form of surface waves along the corrugated edge of the E-plane transmission line over 1-quarter or 3-quarter wavelengths and generates an endfire radiation through the SSPP-to-free-space transition in the other end of the same. The said antenna generates a near endfire radiation beam with a substantially enhanced gain, wherein the gain of the endfire radiation can be maximized by maintaining the slot depth to half of the waveguide height.


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[v1] 2018-05-01 12:14:52

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