New work published concerning advantages of optical modulation in terahertz imaging for study of graphene layers

The newest study was published in Journal of Applied Physics by Rusnė Ivaškevičiūtė-Povilauskienė et al. about the advantages of optical modulation in terahertz imaging for study of graphene layers.

It was demonstrated that optical modulation together with simultaneous terahertz (THz) imaging application enables an increase in contrast by an order of magnitude, thereby illustrating the technique as a convenient contactless tool for characterization of graphene deposited on high-resistivity silicon substrates.

The technique is applied in the development and investigation of graphene-based optical diffractive elements for THz imaging systems.

The work achieved funding from Horizon 2020 program under Grant No. 823728 (DiSetCom) as well as by the Academy of Finland Flagship Programme “Photonics Research and Innovation (PREIN)” (Decision No. 320165).

The paper is open access and can be easily reached through the DOI: https://doi.org/10.1063/5.0074772


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