不同狭缝宽度Ag-Au混合等离子体透镜的亚波长聚焦

2015 International Symposium on Next-Generation Electronics (ISNE) Pub Date : 2015-05-04 DOI:10.1109/ISNE.2015.7132039

Min-Hsiu Chen, Kai-Hao Chang, Po-Tsung Lee

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引用次数: 0

摘要

我们设计了混合银金双层结构的等离子体透镜。焦距在500 nm以内，可实现亚波长聚焦。此外，Ag/Au的厚度比可以调节聚焦性能。结果表明，当厚度比为1时，聚焦效果最好。

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Subwavelength focusing of hybrid Ag-Au plasmonic lens with variant slit widths

We design the hybrid Ag-Au double-layered structure as plasmonic lens. The subwavelength focusing can be achieved with focal length within 500 nm. Furthermore, the focusing properties can be tuned by the thickness ratio of Ag/Au. Finally, we find the best of focusing effect as the thickness ratio is 1.

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2015 International Symposium on Next-Generation Electronics (ISNE)

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