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Article

Free-Standing Complementary Asymmetric Metasurface for Terahertz Sensing Applications †

1
Faculty of Physics, Philipps-Universität Marburg, Renthof 5, 35032 Marburg, Germany
2
Biomedical Engineering Department, College of Engineering, Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia
*
Author to whom correspondence should be addressed.
This manuscript is extension version of the conference paper: Taleb, F.; Al-Naib, I.; Koch, M. Terahertz Metamaterials based on Free-standing Complementary Asymmetric Split Ring Resonators for Sensing Applications. In Proceedings of the 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Paris, France, 1–6 September 2019; pp. 1–2.
Sensors 2020, 20(8), 2265; https://doi.org/10.3390/s20082265
Received: 18 March 2020 / Revised: 14 April 2020 / Accepted: 14 April 2020 / Published: 16 April 2020
(This article belongs to the Special Issue Optical Spectroscopy, Sensing, and Imaging from UV to THz Range)
We designed and tested a highly sensitive metasurface device based on free-standing complementary asymmetric split-ring resonators at terahertz frequencies. It is utilized for sensing a galactose film. We characterized the device using the induced red shift of a Fano resonance observed in the THz transmission. The sensor has a high sensitivity of 91.7 GHz/RIU due to a significant interaction between the galactose overlayer and the metasurface. View Full-Text
Keywords: free-standing; asymmetric split-ring resonators; sensing; terahertz free-standing; asymmetric split-ring resonators; sensing; terahertz
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MDPI and ACS Style

Taleb, F.; Al-Naib, I.; Koch, M. Free-Standing Complementary Asymmetric Metasurface for Terahertz Sensing Applications. Sensors 2020, 20, 2265. https://doi.org/10.3390/s20082265

AMA Style

Taleb F, Al-Naib I, Koch M. Free-Standing Complementary Asymmetric Metasurface for Terahertz Sensing Applications. Sensors. 2020; 20(8):2265. https://doi.org/10.3390/s20082265

Chicago/Turabian Style

Taleb, Fatima, Ibraheem Al-Naib, and Martin Koch. 2020. "Free-Standing Complementary Asymmetric Metasurface for Terahertz Sensing Applications" Sensors 20, no. 8: 2265. https://doi.org/10.3390/s20082265

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