Abstract
Electromagnetic Metamaterial perfect absorber EM-MMPA is representative an artificial electromagnetic material, which has many application prospects in huge fields like energy harvesting from electromagnetic wave. This work focused on the design and simulation ultrathin structure based on polarization unsensitive. However, based on the three-layer structure of copper reflector, dielectric layer and copper triquetra resonator. Through the results, it is found that, at 10.026 GHz with the fundamental mode of resonance can achieve a polarization unsensitive perfect absorption. Furthermore, all the materials involved in this work are easily available, and the size of the unit cell is also within the range of easy implementation, and it has a good prospect of many numbers of practical application.
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