Superlensing effect without obvious negative refraction

Pi Gang Luan, Kao Der Chang

研究成果: 雜誌貢獻期刊論文同行評審

4 引文 斯高帕斯(Scopus)

摘要

The superlensing phenomenon of light in photonic-crystal lens-like structures of finite sizes was studied. The wave field was calculated by using the multiple scattering method. The influences of the shapes and interior structures of the lens-like devices on their imaging characteristics were carefully examined numerically. The numerical results revealed that negative refraction is not directly related to the subwavelength imaging phenomenon. For the photonic crystal slab of square-lattice type, superlensing effect was found to be essentially a near field effect.

原文???core.languages.en_GB???
文章編號13518
期刊Journal of Nanophotonics
1
發行號1
DOIs
出版狀態已出版 - 2007

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