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Analysis of DGS structures by using the iterative method. (English) Zbl 1069.78009

Summary: An iterative method based on the wave concept is used to analyse a defect ground structure (DGS). In this case two applications are given. Firstly, we studied a \(\lambda/4\) bias transmission line maintaining high impedance that is added dumbbell-shaped DGS on ground plane of the conventional \(\lambda/4\) bias transmission line. Secondly, a newly etched DGS with a spiral shape in metallic ground is studied. The spiral DGS can provide steep rejection characteristics with one and two spirals. Numerical results are compared with published data, a good agreement is observed.

MSC:

78A55 Technical applications of optics and electromagnetic theory
78M25 Numerical methods in optics (MSC2010)
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References:

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