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HORN ANTENNA GENERATING ELECTROMAGNETIC FIELD WITH ORBITAL ANGULAR MOMENTUM

By M. Huang, X. Zong, and Z.-P. Nie

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Abstract:
A novel method for generating electromagnetic field with orbital angular momentum (OAM) and correspondingly a practical design based on conical horn antenna are proposed in this paper. The OAM modes of ±m for r/φ field components and ±(m-1) for x/y ones can be generated by superposing the two orthogonal polarization degenerate TEmn modes in circular waveguide through a mode-transformation section, and then radiated from the horn in the far end. The effectiveness of the proposed method is analyzed from physical mechanisms and demonstrated by both simulation and experiment for the presented new-typed OAM horn antenna.

Citation:
M. Huang, X. Zong, and Z.-P. Nie, "Horn Antenna Generating Electromagnetic Field with Orbital Angular Momentum," Progress In Electromagnetics Research M, Vol. 60, 57-65, 2017.
doi:10.2528/PIERM17030801
http://www.jpier.org/pierm/pier.php?paper=17030801

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