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Proceedings Paper

The correlation between single-slit and inter-slit effects in a subwavelength metal double-slit device
Author(s): Xiao-Lan Zhong; Yun-Song Zhou; Huai-Yu Wang; Fu-He Wang
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Paper Abstract

The extraordinary optical transmission (EOT) through a subwavelength metal double-slit structure is calculated to study in detail the correlation between the single-slit and inter-slit effects on the transmissivity. A transmissivity formula is put down which retrieves the numerical results from the finite-difference time-domain simulation method. After some reasonable approximations made, the formula is expressed as the product of two periodic functions, determined by the length of a single slit and inter-slit distance, respectively. This simplified form shows that the interplay between the single-slit and inter-slit effects is almost negligible.

Paper Details

Date Published: 4 November 2010
PDF: 11 pages
Proc. SPIE 7848, Holography, Diffractive Optics, and Applications IV, 784804 (4 November 2010); doi: 10.1117/12.871671
Show Author Affiliations
Xiao-Lan Zhong, Capital Normal Univ. (China)
Yun-Song Zhou, Capital Normal Univ. (China)
Huai-Yu Wang, Tsinghua Univ. (China)
Fu-He Wang, Capital Normal Univ. (China)

Published in SPIE Proceedings Vol. 7848:
Holography, Diffractive Optics, and Applications IV
Yunlong Sheng; Chongxiu Yu; Linsen Chen, Editor(s)

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