Analysis of quasi complex modes on lossy substrate boxed microstrip lines

Using the spectral domain approach improved by asymptotic expansions, it is shown by means of coupling integral values that the notion of quasi-complex modes can be introduced for lightly lossy substrates. The distribution of electric and magnetic fields in the cross section plane of a boxed microst...

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Bibliographic Details
Published in1991 IEEE MTT-S International Microwave Symposium Digest pp. 667 - 670 vol.2
Main Authors Huret, F., Pribetich, P., Kennis, P.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1991
Subjects
Conductivity
Coupling circuits
Electromagnetic analysis
Frequency
Microstrip
Optical coupling
Propagation constant
Propagation losses
Substrates
Transmission line discontinuities
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Summary:Using the spectral domain approach improved by asymptotic expansions, it is shown by means of coupling integral values that the notion of quasi-complex modes can be introduced for lightly lossy substrates. The distribution of electric and magnetic fields in the cross section plane of a boxed microstrip line is shown as an example. Since for lossy structures all modes have a complex propagation constant, so the quasi-complex modes are particular modes with behavior similar to that of lossless structure complex modes.< >
ISBN:9780879425913
0879425911
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.1991.147091