Two-dimensional microwave band-gap structures of different dielectric materials

We report the use of low dielectric constant materials to form two-dimensional microwave band-gap structures for achieving high gap-to-midgap ratio. The variable parameters chosen are the lattice spacing and the geometric structure. The selected geometries are square and triangular and the materials...

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Veröffentlicht in:	Pramāṇa 2005-12, Vol.65 (6), p.1115-1120
Hauptverfasser:	Nagesh, E. D. V., Babu, G. Santosh, Subramanian, V., Sivasubramanian, V., Murthy, V. R. K.
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Sprache:	eng
Schlagworte:	Energy gap Plane waves
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description	We report the use of low dielectric constant materials to form two-dimensional microwave band-gap structures for achieving high gap-to-midgap ratio. The variable parameters chosen are the lattice spacing and the geometric structure. The selected geometries are square and triangular and the materials chosen are PTFE (ε = 2.1), PVC (ε = 2.38) and glass (ε = 5.5). Using the plane-wave expansion method, proper lattice spacing is selected for each structure and material. The observed experimental results are analyzed with the help of the theoretical prediction
doi_str_mv	10.1007/BF02705286
format	Article
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source	Indian Academy of Sciences; SpringerNature Complete Journals
subjects	Energy gap Plane waves
title	Two-dimensional microwave band-gap structures of different dielectric materials
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