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Sensing with THz metamaterials: From high Q Fano metasurfaces to perfect meta-absorbers

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Abstract

We excite high quality factor Fano resonances via symmetry breaking in planar terahertz metasurfaces for ultrasensitive sensing. However, we recently discovered that three layer metamaterial absorbers show significantly higher sensitivity than planar metamaterials.

© 2014 Optical Society of America

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