Abstract
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 μm bandwidth at 8.5 μm. It paves the way to the design of wideband efficient plasmonic absorbers in the infrared spectrum.
| Original language | English |
|---|---|
| Pages (from-to) | 1038-1040 |
| Number of pages | 3 |
| Journal | Optics Letters |
| Volume | 37 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 15 Mar 2012 |
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