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We study 1-D photonic crystal in which alternate layers are of materials like chalcogenide As 40 Se 60−x S x and silica. For our three different structures, namely AB, CD and EF in which the refractive index contrast as well as the filling factor is different. Another structure (AB)/(CD)/(EF) which is a combination of earlier multilayer systems has also been considered...
A simple design of one dimensional gradual stacked photonic crystal (GSPC) structure has been proposed. The proposed structure, based on chalcogenide material, consists of a periodic array of alternate layers of As 2 S 3 and air as the materials of high and low refractive indices respectively. The structure considered here has three stacks of periodic structures, each having five unit...
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