ANALYSIS OF ARBITRARILY TRAPEZOIDAL-GROOVE GUIDE WITH THE CONFORMAL MAPPING METHOD

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 st...

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Bibliographic Details
Published in:International journal of infrared and millimeter waves 2006-07, Vol.27 (7), p.949-959
Main Authors: Xu, Fuyong, Mei, Zhonglei
Format: Article
Language:English
Subjects:
Conformal mapping
Corrugated waveguides
Cut off wavelength
Finite element method
Millimeter waves
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Summary: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.
ISSN:0195-9271
1866-6892
1572-9559
1866-6906
DOI:10.1007/s10762-006-9047-1