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Baraut, India

Kumar V.,Digamber Jain PG College | Singh Kh.S.,Digamber Jain PG College | Ojha S.P.,Banaras Hindu University
Indian Journal of Physics | Year: 2011

In this article, the reflection properties in one-dimensional dielectric-dielectric photonic band gap (PBG) structure have been studied. We have used SiO2 as material of low refractive index and Te as a high refractive index material. Reflectivity of proposed PBG structure is plotted as a function of wavelength and angle of incidence and omni-directional PBGs are computed theoretically. To obtain reflectance, we used transfer matrix method for solving Maxwell's equations for electromagnetic wave in PBG structures. For a large range of frequency, the PBG structure is found to exhibit omni-directional reflection which can be exploited in devices such as optical resonators, mirrors, etc. © 2011 IACS.

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