Grant, J. , McCrindle, I.J.H., Li, C. and Cumming, D.R.S. (2014) Multispectral metamaterial absorber. Optics Letters, 39(5), pp. 1227-1230. (doi: 10.1364/OL.39.001227)
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Publisher's URL: http://dx.doi.org/10.1364/OL.39.001227
Abstract
We present the simulation, implementation, and measurement of a multispectral metamaterial absorber (MSMMA) and show that we can realize a simple absorber structure that operates in the mid-IR and terahertz (THz) bands. By embedding an IR metamaterial absorber layer into a standard THz metamaterial absorber stack, a narrowband resonance is induced at a wavelength of 4.3 μm. This resonance is in addition to the THz metamaterial absorption resonance at 109 μm (2.75 THz). We demonstrate the inherent scalability and versatility of our MSMMA by describing a second device whereby the MM-induced IR absorption peak frequency is tuned by varying the IR absorber geometry. Such a MSMMA could be coupled with a suitable sensor and formed into a focal plane array, enabling multispectral imaging.
| Item Type: | Articles |
|---|---|
| Additional Information: | This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-39-5-1227. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Li, Professor Chong and Cumming, Professor David and Mccrindle, Mr Iain and Grant, Dr James |
| Authors: | Grant, J., McCrindle, I.J.H., Li, C., and Cumming, D.R.S. |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Journal Name: | Optics Letters |
| Publisher: | Optical Society of America |
| ISSN: | 0146-9592 |
| ISSN (Online): | 1539-4794 |
| Copyright Holders: | Copyright © 2014 The Optical Society of America |
| First Published: | First published in Optics Letters 39(5):1227-1230 |
| Publisher Policy: | Reproduced in accordance with the copyright policy of the publisher. |
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