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Proceedings Paper

Enhanced optical transmission through a metallic slit covered with a nanostrip and surrounded by corrugations
Author(s): Guangyuan Li; Fan Lu; Zhen Meng; Anshi Xu
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Paper Abstract

We theoretically investigate the optical transmission through a subwavelength slit covered with a nanostrip and surrounded by corrugations in a metal film. Simulations results show that with a nanostrip on top of the slit, the optical transmission efficiency through the slit surrounded by grooves is greatly enhanced for various angles of incidence compared with the structure without the nanostrip. The nanostrip should be thick enough to result in an air nanocavity with high Q value and enhanced transmission efficiency.

Paper Details

Date Published: 28 November 2011
PDF: 6 pages
Proc. SPIE 8308, Optoelectronic Materials and Devices VI, 83080Y (28 November 2011); doi: 10.1117/12.904002
Show Author Affiliations
Guangyuan Li, Peking Univ. (China)
Fan Lu, Peking Univ. (China)
Zhen Meng, Peking Univ. (China)
Anshi Xu, Peking Univ. (China)

Published in SPIE Proceedings Vol. 8308:
Optoelectronic Materials and Devices VI
Guang-Hua Duan, Editor(s)

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