A Dual Band Plasmonic Metasurface Absorber for Energy Harvesting Applications
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A plasmonic dual-band polarization-insensitive metasurface absorber is proposed. The design provides subwavelength and confined collection of the absorbed energy in the gaps of the structure. In this paper, we study the absorption behavior of the metasurface operating in a dual-band mode targeting the mid-infrared range suitable for energy harvesting applications such as thermophotovoltaics. The design is optimized using a global optimization technique.
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