Abstract
We experimentally demonstrate a wideband near-perfect light absorber in the midwave IR region using a multiplexed plasmonic metal structure. The wideband near-perfect light absorber is made of two different size gold metal squares multiplexed on a thin dielectric spacing layer on top of a thick metal layer in each unit cell. We also fabricate regular nonmultiplexed structure perfect light absorbers. The multiplexed structure IR absorber absorbs more than 98% of the incident light over a much wider spectral band than regular nonmultiplexed structure perfect light absorbers in the midwave IR region.
| Original language | English |
|---|---|
| Pages (from-to) | 371-373 |
| Number of pages | 3 |
| Journal | Optics Letters |
| Volume | 37 |
| Issue number | 3 |
| DOIs | |
| State | Published - Feb 1 2012 |
ASJC Scopus Subject Areas
- Atomic and Molecular Physics, and Optics
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