Abstract : ABSTRACT OF THE INVENTION “STACKED FANO RESONANT METAMATERIAL BASED THIN FILM SENSOR”
The present invention relates to stacked Fano resonant metamaterial based thin film sensor. The thin film sensor demonstrates the excitation of Fano resonance in perfectly symmetric metasurfaces, which can act as a novel platform for sensing at Terahertz (THz) frequency domain.
This invention demonstrates a unique appearance of Fano resonance leading to deep sub-wavelength confinement of electromagnetic field in stacked metamaterials, which can be very useful for sensing application. The proposed device can be able to detect both the spacer thickness as well as refractive index of material under test. Due to its stacked configuration, such device is highly compact too. Thus, our invention can be highly beneficial to realize highly sensitive sensors and in other miniaturized, compact commercial THz meta-photonic devices.
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