• Acta Optica Sinica
  • Vol. 41, Issue 23, 2328001 (2021)
Jieping Yang1, Minchang Wang2, Hu De1、3, Ying Kang2, Zongren Li1, Quancheng Liu1, Liang Xiong1, Zhixiang Wu1, Weiwei Qu1, and Liping Shang1、3、*
Author Affiliations
  • 1School of Information Engineering, Southwest University of Science and Technology, Mianyang, Sichuan 621000, China
  • 2Xi′an Modern Chemistry Research Institute, Xi′an, Shaanxi 710065, China
  • 3Robot Technology Used for Special Environment Key Laboratory of Sichuan Province, Mianyang, Sichuan 621000, China
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    DOI: 10.3788/AOS202141.2328001 Cite this Article Set citation alerts
    Jieping Yang, Minchang Wang, Hu De, Ying Kang, Zongren Li, Quancheng Liu, Liang Xiong, Zhixiang Wu, Weiwei Qu, Liping Shang. Dual-Band Terahertz Sensor Based on Metamaterial Absorber Integrated Microfluidic[J]. Acta Optica Sinica, 2021, 41(23): 2328001 Copy Citation Text show less

    Abstract

    In order to reduce the strong absorption of terahertz by water when detecting solution samples and improve sensitivity of sensor, we propose two dual-band terahertz sensors based on metamaterial absorber integrated microfluidic. The unit resonance structure of the two sensors is composed of metal ring and double I-type cross structure, which produces two perfect absorption peaks in the frequency range of 0.2--1.4 THz, and the refractive index sensitivity can reach 300 GHz/RIU. Experimental results show that the designed two dual-band terahertz sensors have polarization insensitivity and wide incident angle insensitivity, and keep good sensing performance within fabrication tolerance range -4%--4%, and have potential application in the field of biomedicine.
    Jieping Yang, Minchang Wang, Hu De, Ying Kang, Zongren Li, Quancheng Liu, Liang Xiong, Zhixiang Wu, Weiwei Qu, Liping Shang. Dual-Band Terahertz Sensor Based on Metamaterial Absorber Integrated Microfluidic[J]. Acta Optica Sinica, 2021, 41(23): 2328001
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