Abstract
Microwave band gap structures exhibit certain stop band characteristics based on the periodicity, impedance contrast and effective refractive index contrast. These structures though formed in one-, two- and three-dimensional periodicity, are huge in size. In this paper, microstrip-based microwave band gap structures are formed by removing the substrate material in a periodic manner. This paper also demonstrates that these structures can serve as a non-destructive characterization tool for materials, a duplexor and frequency selective coupler. The paper presents both experimental results and theoretical simulation based on a commercially available finite element methodology for comparison.
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Subramanian, V. Microstrip microwave band gap structures. Pramana - J Phys 70, 739–746 (2008). https://doi.org/10.1007/s12043-008-0034-z
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DOI: https://doi.org/10.1007/s12043-008-0034-z