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A Novel Compact Oversized Rectangular Waveguide Transition Based on Quadruple-Ridged Waveguide for Millimeter Wave Applications

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Abstract

In this paper, a broadband and compact oversized rectangular waveguide transition is proposed. Employing novel quadruple-ridged waveguide technology, two quadruple-ridged waveguides achieve an extreme compactness interconnection from a standard rectangular waveguide to an oversized rectangular waveguide. This design can be used as an alternative way to create a new oversized rectangular waveguide transition. The length of the transition is only 0.3λ, where λ is the TE10 mode wavelength at the center frequency. For verification purpose, a back-to-back transition was designed, fabricated, and measured. Measured results show that the return loss is greater than 20 dB and the insertion loss is less than 0.2 dB in the operating frequency band. Therefore, we can infer that the return loss and insertion loss of single transition are around 25 dB and 0.1 dB, respectively.

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Authors and Affiliations

  1. School of Physics, University of Electronic Science and Technology of China, Chengdu, 611731, Sichuan, People’s Republic of China

    Jie Deng & Qingyuan Wang

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  1. Jie Deng
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  2. Qingyuan Wang
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Correspondence to Jie Deng.

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Deng, J., Wang, Q. A Novel Compact Oversized Rectangular Waveguide Transition Based on Quadruple-Ridged Waveguide for Millimeter Wave Applications. J Infrared Milli Terahz Waves 41, 776–784 (2020). https://doi.org/10.1007/s10762-020-00715-0

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  • DOI: https://doi.org/10.1007/s10762-020-00715-0

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