Abstract
As a tunable and electrically adjustable 2D material, graphene opens a way for manipulating mid-infrared waves and corresponding devices. A kind of configuration of tunable diffractive grating based on mono- and multi-layer graphene material working at mid-infrared wavelengths is presented in this paper. A potential application of the diffractive grating based on graphene material is as a highly sensitive sensor for surrounding environment refractive index, and the sensitivity up to 7370 nm/RIU can be achieved, which is the highest sensitivity among refractive sensor proposed before to our best knowledge. This research paves the way toward ultra-sensitive sensor devices at mid-infrared wavelengths.
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This work was financially supported by the National Natural Science Foundation of China (Grant No. 61975119).
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Hou, Y., Jiang, C. Ultra-sensitivity refractive sensor based on graphene material at mid-infrared wavelengths. J Opt 50, 62–67 (2021). https://doi.org/10.1007/s12596-020-00662-y
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DOI: https://doi.org/10.1007/s12596-020-00662-y