AI Article Synopsis
- A new water-based metamaterial is developed for perfect absorption of microwave frequencies, achieving over 90% absorption between 12-29.6 GHz.
- The metamaterial maintains its performance across a wide temperature range (0 to 100°C) and can operate effectively at various angles of incidence.
- Due to its low cost and ease of manufacturing, this metamaterial could have many applications in areas like reducing scattering in electromagnetics and harvesting electromagnetic energy.
Article Abstract
A subwavelength water metamaterial is proposed and analyzed for ultra-broadband perfect absorption at microwave frequencies. We experimentally demonstrate that this metamaterial shows over 90% absorption within almost the entire frequency band of 12-29.6 GHz. It is also shown that the proposed metamaterial exhibits a good thermal stability with its absorption performance almost unchanged for the temperature range from 0 to 100°C. The study of the angular tolerance of the metamaterial absorber shows its ability of working at wide angles of incidence. Given that the proposed water metamaterial absorber is low-cost and easy for manufacture, we envision it may find numerous applications in electromagnetics such as broadband scattering reduction and electromagnetic energy harvesting.
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| http://dx.doi.org/10.1364/OE.26.005052 | DOI Listing |
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