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Analysis of the Transmission Characteristics of the Inverted Trapezoidal-Ridge Waveguide

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Abstract

As a new kind of broadband microwave component, transmission characteristics of the dominant TE mode in inverted trapezoidal-ridge waveguide have been analyzed by finite element method. Variations of the cutoff wavelength, single-mode bandwidth, field patterns, characteristic impedance, attenuation constant and power-handling capacity with the varied ridge dimensions have been investigated in details. The longer cutoff wavelength, broader single mode bandwidth and lower characteristic impedance can be achieved for smaller ridge gap. While the lower attenuation and higher power-handling capacity can be realized for larger ridge gap. Numerical results in this paper provide an extension to the existing design data for ridge waveguide and are considered helpful in microwave and millimeter-wave applications.

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Authors and Affiliations

  1. Faculty of Automation and Electrical Engineering, Lanzhou Jiaotong University, 730070, Lanzhou, People’s Republic of China

    Xiao-Qiang Chen, En-En Ren, Tao Wang & Lei Wang

  2. Key Lab. of Opt-Electronic Technology and Intelligent Control, Ministry of Education, Lanzhou Jiaotong University, 730070, Lanzhou, People’s Republic of China

    Mai Lu

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  1. Xiao-Qiang Chen
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  2. En-En Ren
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  3. Mai Lu
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  4. Tao Wang
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  5. Lei Wang
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Correspondence to Xiao-Qiang Chen.

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Chen, XQ., Ren, EE., Lu, M. et al. Analysis of the Transmission Characteristics of the Inverted Trapezoidal-Ridge Waveguide. J Infrared Milli Terahz Waves 31, 1005–1014 (2010). https://doi.org/10.1007/s10762-010-9676-2

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  • DOI: https://doi.org/10.1007/s10762-010-9676-2

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