Journal
OPTICS LETTERS
Volume 37, Issue 6, Pages 1038-1040Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.37.001038
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- French National Research Agency
- ANTARES
- INTREPID
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In this Letter, we demonstrate experimentally that a patchwork of four metal-insulator-metal patches leads to an unpolarized wideband omnidirectional infrared absorption. Our structure absorbs 70% of the incident light on a 2.5 mu m bandwidth at 8.5 mu m. It paves the way to the design of wideband efficient plasmonic absorbers in the infrared spectrum. (C) 2012 Optical Society of America
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