Free-Standing Complementary Asymmetric Metasurface for Terahertz Sensing Applications

Sensors

卷:20

Ibraheem Al-Naib¹  Martin Koch²  Fatima Taleb² 

[1] Biomedical Engineering Department, College of Engineering, Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia;

[2] Faculty of Physics, Philipps-Universität Marburg, Renthof 5, 35032 Marburg, Germany;

关键词: free-standing;    asymmetric split-ring resonators;    sensing;    terahertz;   

DOI  :  10.3390/s20082265

来源: DOAJ

【 摘 要 】

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.

【 授权许可】

Unknown