Hadi Teguh Yudistira
Several works were used metal as background for generating high absorbance due to destructive interference from the superposition of multiple reflections on metamaterial absorber. In this work, we purpose tailoring multiple reflection by using graphene as background for tunable terahertz metamaterial absorber. Graphene's properties can be adjusted by an applied voltage. The Fermi energy of graphene was adjusted from 0.2 meV till 1 meV in this work. There is around 0.02%-0.14% error between numerical and analytical calculation of absorbance result due to analytical calculation error process. The adjusting graphene's properties could tailor the superposition ofmultiple reflections (r∼m) on metamaterial unit cell-graphene layer. © 2019 IOP Publishing Ltd.
Mechanical Engineering Study Program, Institut Teknologi Sumatera (ITERA), South Lampung, Lampung, 35365, Indonesia
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