Radiation patterns of line sources mounted in a multi-dielectric substrate medium

C. Mertzianidis, Th Samaras, Sot Koukourlis, J. N. Sahalos

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


The far-field of line sources lying between the slabs of a multi-dielectric substrate are presented. Such a configuration is usual in the technology of microstrips as well as in remote sensing. The electric field in the 2-D wave equation is expressed as a Fourier integral of the potential V(y. h). The coefficients of the solution are found from the boundary conditions at the interfaces of the substrate. The main conclusion is the similarity between the patterns from a line source and a complex array of sources in free space. The ray optical techniques due to multi-reflection and refraction fail for more than three substrates, while our procedure can be applied for any set of lossless or lossy substrates.

Original languageEnglish
Pages (from-to)349-357
Number of pages9
JournalElectrical Engineering
Issue number5
Publication statusPublished - Oct 1997


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