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Proceedings Paper

The role of periodicity in enhanced transmission through subwavelength hole arrays
Author(s): Mei Sun; Peiyuan Guo; Suxia Xing; Hongbing Xiao; Degang Xu
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Paper Abstract

Two kinds of subwavelength hole arrays in metallic films are designed in order to verify the important role of the periodicity in enhanced transmission of light. The samples were fabricated by focused ion beam(FIB). In both structures, the hole diameter d are kept the same: d=220nm. The measured optical spectra show that the quasiperiodic hole arrays exhibit an enhanced transmission peak centered at 707nm with a transmission intensity of about 20%, while no plasmon resonance peak is found for the amorphous hole arrays. These phenomena indicate the important role of the long-range structural order (in particular, the periodicity) in assisting the coupling of incident light wave with the surface plasmon modes of the metallic structures.

Paper Details

Date Published: 21 July 2010
PDF: 7 pages
Proc. SPIE 7749, 2010 International Conference on Display and Photonics, 77490A (21 July 2010); doi: 10.1117/12.869718
Show Author Affiliations
Mei Sun, Beijing Technology and Business Univ. (China)
Peiyuan Guo, Beijing Technology and Business Univ. (China)
Suxia Xing, Beijing Technology and Business Univ. (China)
Hongbing Xiao, Beijing Technology and Business Univ. (China)
Degang Xu, Beijing Technology and Business Univ. (China)
Tianjin Univ. (China)


Published in SPIE Proceedings Vol. 7749:
2010 International Conference on Display and Photonics

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