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http://dx.doi.org/10.5762/KAIS.2012.13.7.3201

Analysis and Design of Waveguide Iris Polarizer for Rotation of Polarization Plane  

Yang, Doo-Yeong (Dept. of Telecommunication Engineering, Jeju National University)
Lee, Min-Soo (Dept. of Telecommunication Engineering, Daejin University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.13, no.7, 2012 , pp. 3201-3206 More about this Journal
Abstract
In this paper, the simplified design methodology for rotation of polarization plane using a square waveguide is proposed. In order to optimize the characteristics of $180^{\circ}$ polarizer operating from 14.3GHz to 14.8GHz in Ku-band, the modified mode matching method and piecewise power tower interpolation are applied to the polarizer design. The optimized results show that the frequency bandwidth in VSWR<2 has covered 500MHz in the Ku-band and phase difference between two orthogonal modes $TE_{10}$and $TE_{01}$ is $180^{\circ}{\pm}1^{\circ}$ in the range of 14.3GHz~14.8GHz. The cross polarization loss has obtained below 40dB and the insertion loss has 0.1dB in the passband. Therefore, the proposed polarizer is suitable for practical Ku-band system requiring the low VSWR and compact size.
Keywords
Square waveguide; Modified mode matching; Piecewise power tower interpolation; $180^{\circ}$ polarizer;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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