Research Advance on the Sensing Characteristics of Refractive Index Sensors Based on Electromagnetic Metamaterials

Figure 8

Schematic diagrams, reflection/absorption spectra, and sensitivity of metamaterial absorber sensors. (a) Reproduced with permission from reference [44] copyright 2010, American Chemical Society. (b) Reproduced with permission from reference [16] copyright 2019, IEEE. (c) Reproduced with permission from reference [49] copyright 2018, Optical Society of America.

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