Relationship between the order of rotation symmetry in perforated apertures and terahertz transmission characteristics

Joong-Wook Lee; Jin-Kyu Yang; Ik-Bu Sohn; Hun-Kook Choi; Chul Kang; Chul-Sik Kee

doi:10.1117/1.OE.51.11.119002

1 November 2012 Relationship between the order of rotation symmetry in perforated apertures and terahertz transmission characteristics

Joong-Wook Lee, Jin-Kyu Yang, Ik-Bu Sohn, Hun-Kook Choi, Chul Kang, Chul-Sik Kee

Author Affiliations +

Optical Engineering, Vol. 51, Issue 11, 119002 (November 2012). https://doi.org/10.1117/1.OE.51.11.119002

Abstract

We investigate the terahertz (THz) transmission characteristics of complex slot arrays with various order of rotation symmetry. Our experimental results reveal that an asterisk-shaped aperture with sixfold rotational symmetry is the most appropriate shape for realizing polarization-independent, highly efficient, and frequency-selective transmission of THz radiation. A systematic understanding of the THz transmission characteristics is useful for achieving versatile platforms and custom-designed metallic devices with specific electromagnetic responses.

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Joong-Wook Lee, Jin-Kyu Yang, Ik-Bu Sohn, Hun-Kook Choi, Chul Kang, and Chul-Sik Kee "Relationship between the order of rotation symmetry in perforated apertures and terahertz transmission characteristics," Optical Engineering 51(11), 119002 (1 November 2012). https://doi.org/10.1117/1.OE.51.11.119002

Published: 1 November 2012

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