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Imaging-based molecular barcoding with pixelated dielectric metasurfaces

Tittl, Andreas; Leitis, Aleksandrs; Liu, Mingkai; Yesilkoy, Filiz; Choi, Duk-Yong; Neshev, Dragomir; Kivshar, Yuri; Altug, Hatice


Although mid-infrared (mid-IR) spectroscopy is a mainstay of molecular fingerprinting, its sensitivity is diminished somewhat when looking at small volumes of sample. Nanophotonics provides a platform to enhance the detection capability. Tittl et al. built a mid-IR nanophotonic sensor based on reflection from an all-dielectric metasurface array of specially designed scattering elements. The scattering elements could be tuned via geometry across a broad range of wavelengths in the mid-IR. The...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: Science
DOI: 10.1126/science.aas9768
Access Rights: Open Access


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