Bandgap isotropy in photonic quasicrystals with low-index contrast

被引：0
|
作者：
Andreone, Antonello [1 ]
Abbate, Giancarlo [1 ]
Di Gennaro, Emiliano [1 ]
Thankamani, Priya Rose [1 ]
机构：
[1] CNR SPIN, I-80126 Naples, Italy
来源：
METAMATERIALS VII | 2012年 / 8423卷
关键词：
Band gap properties; photonic quasi-crystals; GAP; DIFFRACTION; LATTICE; MODES;
D O I：
10.1117/12.932262
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Formation and development of the photonic band gap in two-dimensional 8-, 10-, and 12-fold symmetry quasicrystalline lattices of low-index contrast are reported. Finite-size structures made of dielectric cylindrical rods are studied and measured in the microwave region, and their properties are compared with a conventional hexagonal crystal. Band-gap characteristics are investigated by changing the direction of propagation of the incident beam inside the crystal. Various angles of incidence are used to investigate the isotropic nature of the band gap.
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页数：7
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