Full-wave design and optimization of circular waveguide polarizers with elliptical irises

被引：67
作者：
Bertin, G
Piovano, B
Accatino, L
Mongiardo, M [1 ]
机构：
[1] Telecom Italia Lab, I-10148 Turin, Italy
[2] Univ Perugia, Dipartimento Ingn Elettron & Informaz, I-06100 Perugia, Italy
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2002年 / 50卷 / 04期
关键词：
mode-matching methods; polarizers; waveguides;
D O I：
10.1109/22.993409
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We describe the design and optimization of a new polarizer structure realized in circular waveguide with insertion of elliptical irises. The device is compact, showing a considerable reduction in size and weight when compared to previously known realizations. It requires manufacturing by milling techniques only and, since it is composed entirely by waveguides with separable cross sections, it is also well suited for electromagnetic modeling. Measured and theoretical results for a polarizer with a 90degrees +/- 1degrees differential phase shift and a return loss better than 35 dB for both polarizations over the operating frequency band confirm the validity of the proposed design.
引用
收藏
页码：1077 / 1083
页数：7
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