2012•Journal of Weinan Normal UniversityRequires access

Analysis of the Photonic Bandgap of Two-dimensional Square Lattice

Zhang Xiao-juana

Abstract

The photonic bandgap of two-dimensional square lattice is studied by using plane wave method.The influence of lattice defect structure,atom radius and dielectric constant on the photonic bandgap is discussed in detail.The results revealed that the different wavelength range of photonic bandgap is obtained by setting different atomic radius and dielectric constant.Set different defect structure,the different pass-band frequency in the photonic bandgap is formed.Therefore,different types of defects in photonic crystal are introduced frequently.

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Available abstract

Key concepts: Photonic crystal, Band gap, Yablonovite, Lattice constant, Plane wave expansion method, Dielectric, Photonics, Materials science