Resonantly enhanced transmission of terahertz radiation through a periodic array of subwavelength apertures

Yang Wang; Wei Meng; Guozhong Zhao; Cunlin Zhang

doi:10.1117/12.760056

4 January 2008 Resonantly enhanced transmission of terahertz radiation through a periodic array of subwavelength apertures

Yang Wang, Wei Meng, Guozhong Zhao, Cunlin Zhang

Author Affiliations +

Proceedings Volume 6840, Terahertz Photonics; 68400Q (2008) https://doi.org/10.1117/12.760056
Event: Photonics Asia 2007, 2007, Beijing, China

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.

Citation Download Citation

Yang Wang, Wei Meng, Guozhong Zhao, and Cunlin Zhang "Resonantly enhanced transmission of terahertz radiation through a periodic array of subwavelength apertures", Proc. SPIE 6840, Terahertz Photonics, 68400Q (4 January 2008); https://doi.org/10.1117/12.760056

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