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Polarization-independent omnidirectional band gaps in heterostructures containing negative-index materials

✍ Scribed by X. H. Deng; T. B. Wang; J. T. Liu; J. H. Huang; T. B. Yu; Q. H. Liao; N. H. Liu


Book ID
111623535
Publisher
Springer
Year
2010
Tongue
English
Weight
781 KB
Volume
78
Category
Article
ISSN
1434-6036

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## Abstract This paper shows that inside photonic band gap (PBG) materials the effective index of refraction __n__~__eff__~, defined in terms of group velocity, becomes negative in a certain range of frequencies. Also, near the photonic‐band edge the effective index of refraction __n__~__eff__~ att