NDLI: Flexible and tunable metamaterials at terahertz frequencies

Content Provider	IEEE Xplore Digital Library
Author	Fan, K. Zhao, X. Zhang, J. Metcalfe, G.D. Averitt, R.D. Zhang, X.
Copyright Year	2013
Description	Author affiliation: Boston Univ., Boston, MA, USA (Fan, K.; Zhao, X.; Zhang, J.; Averitt, R.D.; Zhang, X.) \|\| U.S. Army Res. Lab., Adelphi, MD, USA (Metcalfe, G.D.)
Abstract	In this paper, we present novel optically tunable metamaterials (MMs) on flexible polymer sheet operating at terahertz (THz) frequencies. The flexible MMs, consisting of electric split-ring resonators (ESRRs) on GaAs patches, were fabricated on a polyimide thin layer using the developed transfer technique. Our experimental results revealed that with increasing fluence of the incident excitation beam, the transmission amplitude increases from 24% to 40% at 0.98 THz yet decreases from 78% to 25% at 1.25 THz. Our flexible tunable device enables potential applications for terahertz sensing, modulation and perfect absorption not only on rigid flat surfaces but also on curved surfaces.
Starting Page	2225
Ending Page	2228
File Size	1681230
Page Count	4
File Format	PDF
ISBN	9781467359832
ISSN	21641641
DOI	10.1109/Transducers.2013.6627246
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-16
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Gallium arsenide Metamaterials Polyimides Substrates Magnetic materials Etching Modulation Metamaterial Flexible Tunable Terahertz
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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