Extremely Thin Metamaterial as Slab Waveguide at Terahertz Frequencies

Y. Minowa, M. Nagai, H. Tao, K. Fan, AC Strikwerda, X. Zhang, R.D. Averitt, K. Tanaka

Research output: Contribution to journalJournal articleResearch

Abstract

We investigate the waveguiding properties of a planar metamaterial slab using terahertz time-domain attenuated total reflection spectroscopy. The enhancement of evanescent waves is observed for transverse electric and transverse magnetic excitation and is caused by resonant excitation of waveguide modes in the slab. Our calculation describes the experimental results and justifies the extremely small effective thickness. We also studied the dispersion relations of the waveguide modes of the slab by theoretical calculation.
Original languageEnglish
JournalI E E E Transactions on Terahertz Science and Technology
Volume1
Issue number2
Pages (from-to)441-449
ISSN2156-342X
DOIs
Publication statusPublished - 2011
Externally publishedYes

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