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Band gap or negative refraction effects? | | C.-H. Kuo
; Z. Ye
; | | Date: |
17 Oct 2003 | | Subject: | cond-mat | | Abstract: | By a rigorous numerical simulation based on the standard multiple scattering theory, we investigate the optical transmission in photonic crystal structures, formed by dielectric cylinders embedded in parallel in a uniform medium. In contrast to previous conjectures, the results indicate that the imaging effect which has been interpreted as a signature of the negative refractive effects is caused by a tunnelling effect in the presence of partial band gaps. There is no need for an all-angle negative refraction effect to understand some peculiar phenomena of photonic crystals. | | Source: | arXiv, cond-mat/0310423 | | Services: | Forum | Review | PDF | Favorites | |
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