volume | PIER Journals

Abstract

In this paper, a four-band metamaterial absorber (MA) based on flower-shaped structure is proposed. The design, simulation, fabrication, and measurement of the absorbers working in four bands are presented. Simulation results show that the MA has four distinctive absorption peaks at frequencies 6.69 GHz, 7.48 GHz, 8.67 GHz, and 9.91 GHz with the absorptivity of 0.96, 0.99, 0.99 and 0.98, respectively. Experiment results matches well with the simulation. Both experiment and simulation results exhibit that the MA are polarization-insensitive for TE wave and TM wave. The flower-shaped structure is also suitable for designing of a four-band THz and even higher frequency MM absorber, which would be a promising candidate as absorbing elements in scientific and technical applications.

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Dr. Donghao Zheng

Prof. Yongzhi Cheng

Dr. Dongfang Cheng

Dr. Yan Nie

Prof. Rong Zhou Gong