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Design and measuring of a tunable hybrid metamaterial absorber for terahertz frequencies

机译:太赫兹频率可调混合超材料吸收器的设计和测量

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A tunable hybrid metamaterial absorber is designed and experimentally produced in THz band. The hybrid metamaterial absorber contains two dielectric layers: SU-8 and VO2 layers. An absorption peak reaching to 83.5% is achieved at 1.04 THz. The hybrid metamaterial absorber exhibits high absorption when the incident angle reaches to 45 degrees. Measured results indicate that the absorption amplitude and peak frequency of the hybrid metamaterial absorber is tunable in experiments. It is due to the insulator to-metal phase transition is achieved when the measured temperature reaches to 68 degrees C. Moreover, the hybrid metamaterial absorber reveals high figure of merit (FOM) value when the measured temperature reaches to 68 degrees C. (C) 2018 Elsevier B.V. All rights reserved.
机译:设计了可调谐混合超材料吸收器,并在THz频段进行了实验生产。混合超材料吸收器包含两个介电层:SU-8和VO2层。在1.04 THz处达到83.5%的吸收峰。当入射角达到45度时,混合超材料吸收体表现出高吸收性。测量结果表明,混合超材料吸收体的吸收幅度和峰值频率在实验中是可调的。这是由于在测量温度达到68摄氏度时实现了绝缘体到金属的相变。此外,混合超材料吸收体在测量温度达到68摄氏度时显示出较高的品质因数(FOM)值。 )2018 Elsevier BV保留所有权利。

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