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이주(Li-Shu),노재우(Jae-Woo Noh),바양뭉흐 엥흐바야르(Bayanmunkh Enkhbayar),방재훈(Jae-Hoon Bang),안병철(Bierng-Chearl Ahn) 한국정보기술학회 2016 한국정보기술학회논문지 Vol.14 No.8
In this paper, a wideband Bøifot ortho-mode transducer operating at the E-band is designed and fabricated. The proposed ortho-mode transducer consists of a polarization separation section having dual ridges and a T-shaped divider, 6 E-plane bends and an Y-shaped junction. A common port of the ortho-mode transducer is employed with the square waveguide having dimensions of 3.1×3.1mm and its side/straight ports are implemented with the WR-12 rectangular standard waveguide. In designing the ortho-mode transducer, each component is individually optimized and then the overall configuration is assembled. The effects on the major parameters are analyzed with the parametric-sweep methods for the combined structure. The optimally designed ortho-mode transducer is fabricated with 2 split blocks. The fabricated ortho-mode transducer has a reflection coefficient of less than -15dB, a transmission coefficient of less than 0.4dB and an isolation between ports of greater than 32dB over the frequency range 60-95GHz.