[1] Royal Inst Technol, Dept Microelect & Informat Techol, S-16440 Kista, Sweden
来源:
SEMICONDUCTOR AND ORGANIC OPTOELECTRONIC MATERIALS AND DEVICES
|
2005年
/
5624卷
关键词:
photonic band gap materials;
photonic crystals;
negative refraction;
BANDS;
REFLECTIVITY;
TRANSMISSION;
PROPAGATION;
INDEX;
WAVES;
LIGHT;
D O I:
10.1117/12.576253
中图分类号:
TM [电工技术];
TN [电子技术、通信技术];
学科分类号:
0808 ;
0809 ;
摘要:
The coupling efficiency between external plane waves and the Bloch waves in photonic crystals are investigated. It is found that the coupling coefficient is highly angular dependent even for an interface between air n=l and a photonic crystal with effective index -1. It is also shown that, for point imaging by a photonic crystal slab owing to the negative refraction, the influence of the surface termination to the transmission and the imaging quality is significant. Finally, we present results demonstrating experimentally negative refraction in a two-dimensional photonic crystal.
机构:
Univ Fed Rio Grande do Norte, Dept Fis Teor & Expt, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Dept Fis Teor & Expt, BR-59072970 Natal, RN, Brazil
Brandao, E. R.
Vasconcelos, M. S.
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机构:
Univ Fed Rio Grande do Norte, Escola Ciencias & Tecnol, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Dept Fis Teor & Expt, BR-59072970 Natal, RN, Brazil
Vasconcelos, M. S.
Anselmo, D. H. A. L.
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h-index: 0
机构:
Univ Fed Rio Grande do Norte, Dept Fis Teor & Expt, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Dept Fis Teor & Expt, BR-59072970 Natal, RN, Brazil