Tailored metamaterial perfect absorber

Complete absorption of light which has been recently demonstrated in metamaterials has drawn the attention of the scientists because of its potential application in harvesting energy and sensors. Controlling the absorption band-width, peak position and intensity are some of the essential factors in...

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Published in2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS) pp. 142 - 144
Main Authors Hedayati, M. K., Abdelaziz, M., Jamali, A. R., Elbahri, M.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.2015
Subjects
Absorption
Coatings
Gold
Metamaterials
Optical films
Plasmons
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Summary:Complete absorption of light which has been recently demonstrated in metamaterials has drawn the attention of the scientists because of its potential application in harvesting energy and sensors. Controlling the absorption band-width, peak position and intensity are some of the essential factors in metamaterial absorbers. Although many reports showed the metamaterial with high absorption in broad range of spectrum, strong tuning the absorption band-width has been rarely shown. In this work, we show that using three component (Au, TiO 2 and SiO 2 ) nanocomposite deposited on an optically thick gold film through simultaneous sputtering, one can broaden the band-width and peak position to span UV up to NIR.
DOI:10.1109/MetaMaterials.2015.7342551