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Proceedings Paper

Resonantly enhanced transmission of terahertz radiation through a periodic array of subwavelength apertures
Author(s): Yang Wang; Wei Meng; Guozhong Zhao; Cunlin Zhang
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Paper Abstract

We experimentally investigate the resonantly enhanced transmission of the terahertz radiation through a periodic array of subwavelength apertures on metal films. We fabricated the periodic arrays of subwavelength apertures with different periods and different diameters on silicon substrate. THz transmission spectra of these samples are measured by means of terahertz time-domain spectroscopic system. The resonantly enhanced transmissions with the frequency selectivity are observed. Our experimental results show that the resonantly transmission peak appears red shift and increases with increasing of hole diameter when keeping the period of array as a constant. On the other hand, the resonantly transmission peak with the same hole diameter appears red shift with increasing of the array period.

Paper Details

Date Published: 4 January 2008
PDF: 7 pages
Proc. SPIE 6840, Terahertz Photonics, 68400Q (4 January 2008); doi: 10.1117/12.760056
Show Author Affiliations
Yang Wang, Capital Normal Univ. (China)
Wei Meng, Capital Normal Univ. (China)
Guozhong Zhao, Capital Normal Univ. (China)
Cunlin Zhang, Capital Normal Univ. (China)

Published in SPIE Proceedings Vol. 6840:
Terahertz Photonics
Cunlin Zhang; Xi-Cheng Zhang, Editor(s)

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