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

Figure 7

(a) Schematic diagrams of metamaterial sensors based on three-dimensional SRRs arrays. (b) Schematic diagrams, absorption spectra, and sensitivity of metamaterial sensors based on three-dimensional SRRs arrays, reproduced with permission from reference [40] copyright 2016, Elsevier B.V. (c) Schematic diagrams and transmission spectra of metamaterial sensors based on three-dimensional SRRs arrays, reproduced with permission from reference [41] copyright 2017, Optical Society of America. (d) Schematic diagrams, reflection, and sensitivity of metamaterial sensors based on three-dimensional SRRs arrays, reproduced with permission from reference [42] copyright 2018, IEEE. (e) Schematic diagrams of metamaterial sensors based on three-dimensional SRRs arrays, reproduced with permission from reference [43] copyright 2019, IEEE.

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