ENHANCEMENT OF OMNIDIRECTIONAL REFLECTION IN PHOTONIC CRYSTAL HETEROSTRUCTURES | Zendy

Ragini Srivastava | Zendy; Shyam Sundar Pati | Zendy; Sant Prasad Ojha | Zendy

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ENHANCEMENT OF OMNIDIRECTIONAL REFLECTION IN PHOTONIC CRYSTAL HETEROSTRUCTURES

Author(s) -

Ragini Srivastava,

Shyam Sundar Pati,

Sant Prasad Ojha

Publication year - 2008

Publication title -

progress in electromagnetics research b

Language(s) - English

Resource type - Journals

ISSN - 1937-6472

DOI - 10.2528/pierb07102903

Subject(s) - omnidirectional antenna , transfer matrix method (optics) , photonic crystal , reflection (computer programming) , heterojunction , materials science , optics , dielectric , transfer matrix , range (aeronautics) , optoelectronics , physics , telecommunications , computer science , antenna (radio) , programming language , composite material , computer vision

—In this paper we have theoretically studied the omnidirec- tional total reflection frequency range of a multilayered dielectric het- erostructures. Three structures of Na3AlF6/Ge multilayer have been studied. The thickness of the two layers of the first and second struc- ture is differing from each other and the third photonic structure is the combination of first and second structures. Using the Transfer Matrix Method (TMM) and the Bloch theorem, the reflectivity of one dimen- sional periodic structure for TE- and TM-modes at different angles of incidence is calculated. From the analysis it is found that the proposed structure has very wide range of omnidirectional total frequency bands for both polarizations.

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