Hybridization of optical plasmonics with terahertz metamaterials to create multi-spectral filters

McCrindle, I.J.H., Grant, J. , Drysdale, T.D. and Cumming, D.R.S. (2013) Hybridization of optical plasmonics with terahertz metamaterials to create multi-spectral filters. Optics Express, 21(16), pp. 19142-19152. (doi:10.1364/OE.21.019142)

McCrindle, I.J.H., Grant, J. , Drysdale, T.D. and Cumming, D.R.S. (2013) Hybridization of optical plasmonics with terahertz metamaterials to create multi-spectral filters. Optics Express, 21(16), pp. 19142-19152. (doi:10.1364/OE.21.019142)

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Abstract

Multi-spectral imaging systems typically require the cumbersome integration of disparate filtering materials in order to work simultaneously in multiple spectral regions. We show for the first time how a single nano-patterned metal film can be used to filter multi-spectral content from the visible, near infrared and terahertz bands by hybridizing plasmonics and metamaterials. Plasmonic structures are well-suited to the visible band owing to the resonant dielectric properties of metals, whereas metamaterials are preferable at terahertz frequencies where metal conductivity is high. We present the simulated and experimental characteristics of our new hybrid synthetic multi-spectral material filters and demonstrate the independence of the metamaterial and plasmonic responses with respect to each other.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Cumming, Professor David and Mccrindle, Mr Iain and Drysdale, Dr Timothy and Grant, Dr James
Authors: McCrindle, I.J.H., Grant, J., Drysdale, T.D., and Cumming, D.R.S.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Optics Express
Publisher:Optical Society of America
ISSN:1094-4087
Copyright Holders:Copyright © 2013 OSA
First Published:First published in Optics Express 21(16):19142-19152
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
552421Monolithic Resonant TeraHertz DetectorsDavid CummingEngineering & Physical Sciences Research Council (EPSRC)EP/I017461/1ENG - ENGINEERING ELECTRONICS & NANO ENG
588331Triple wavelength superspectral camera focal-plane array (SUPERCAMERA)David CummingEngineering & Physical Sciences Research Council (EPSRC)EP/J018678/1ENG - ENGINEERING ELECTRONICS & NANO ENG
588332Triple wavelength superspectral camera focal-plane array (SUPERCAMERA)David CummingEngineering & Physical Sciences Research Council (EPSRC)EP/J018678/1ENG - ENGINEERING ELECTRONICS & NANO ENG