• Fuyong Xu
  • Zhonglei Mei


The arbitrarily open trapezoidal-groove guide is analyzed with the conformal mapping technique. A new formula is given for the evaluation of one fundamental parameter associated with the technique. The relationship between the cut-off wavelength for the dominant mode and the geometry of the guide structure is studied; dispersion characteristic of the groove guide is also given. Some numerical results are shown to be in good agreement with both experimental data and the results of the finite element method (FEM). Moreover, it is testified that dispersion of the trapezoidal-groove guide is low. The obtained results are significant for the design and application of the open trapezoidal-groove guide for millimeter waves.

Key words

arbitrarily open trapezoidal-groove guide conformal mapping method dispersion and cut-off characteristics millimeter waves 


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Copyright information

© Springer Science+Business Media, Inc. 2007

Authors and Affiliations

  • Fuyong Xu
    • 1
  • Zhonglei Mei
    • 1
  1. 1.School of Information Science and EngineeringLanzhou UniversityLanzhouThe People’s Republic of China

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