{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["12(20)"],"submitter":["Dong S"],"pubmed_abstract":["Infrared metasurfaces have exhibited exceptional optical properties that differ from naturally occurring metallic and dielectric nanostructure, enabling non-destructive and label-free sensing in a broadband region. However, implementing wavelength multiplexing sensors in broadband infrared has faced significant challenges. These challenges arise from the difficulty in efficiently exciting high <i>Q</i> resonances at specific wavelengths and the inability to individually tune each resonance. Herein, we present a dual resonant metasurface that utilizes a metal-dielectric-metal plasmonic grating and a dielectric-metal channel. By adjusting the vertical and horizontal structures of metasurface, we can independently modify the spectrum of the metasurface in the near-infrared and mid-infrared regions. This broadband infrared metasurface exhibits robust spectral regulation, enabling a polarization-dependent strategy for the dual-resonance. It offers a competitive advantage over traditional metallic nanostructure in refractive index sensing at the second near-infrared window and ultrasensitive vibrational spectroscopy in mid-infrared. Specifically, our proposed metasurface achieves protein concentration sensing and dynamic monitoring of protein concentration in the infrared two-zone. Additionally, it enhances the mid-infrared absorption of amide II with a high <i>Q</i> resonance. The metasurface which combines wavelength multiplexing and polarization dependent switch for protein recognition and trace detection, presents a novel approach for developing high-performance sensors and Integrated photonics sensors in the broadband infrared region."],"journal":["Nanophotonics (Berlin, Germany)"],"pagination":["3963-3976"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11501136"],"repository":["biostudies-literature"],"pubmed_title":["Wavelength multiplexing infrared metasurfaces for protein recognition and trace detection."],"pmcid":["PMC11501136"],"pubmed_authors":["Liu H","Zhang F","Shen K","Zheng Y","Zhang Z","Lu H","Zhen C","Hu H","Dong S","Dong C","Sun J"],"additional_accession":[]},"is_claimable":false,"name":"Wavelength multiplexing infrared metasurfaces for protein recognition and trace detection.","description":"Infrared metasurfaces have exhibited exceptional optical properties that differ from naturally occurring metallic and dielectric nanostructure, enabling non-destructive and label-free sensing in a broadband region. However, implementing wavelength multiplexing sensors in broadband infrared has faced significant challenges. These challenges arise from the difficulty in efficiently exciting high <i>Q</i> resonances at specific wavelengths and the inability to individually tune each resonance. Herein, we present a dual resonant metasurface that utilizes a metal-dielectric-metal plasmonic grating and a dielectric-metal channel. By adjusting the vertical and horizontal structures of metasurface, we can independently modify the spectrum of the metasurface in the near-infrared and mid-infrared regions. This broadband infrared metasurface exhibits robust spectral regulation, enabling a polarization-dependent strategy for the dual-resonance. It offers a competitive advantage over traditional metallic nanostructure in refractive index sensing at the second near-infrared window and ultrasensitive vibrational spectroscopy in mid-infrared. Specifically, our proposed metasurface achieves protein concentration sensing and dynamic monitoring of protein concentration in the infrared two-zone. Additionally, it enhances the mid-infrared absorption of amide II with a high <i>Q</i> resonance. The metasurface which combines wavelength multiplexing and polarization dependent switch for protein recognition and trace detection, presents a novel approach for developing high-performance sensors and Integrated photonics sensors in the broadband infrared region.","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Oct","modification":"2025-04-27T02:13:48.577Z","creation":"2025-04-06T18:31:30.949Z"},"accession":"S-EPMC11501136","cross_references":{"pubmed":["39635196"],"doi":["10.1515/nanoph-2023-0517"]}}