Patents Assigned to METAHELIOS LTD
  • Plasmonic metasurface light filter and imaging sensor including light filter
    Patent number: 12436315
    Abstract: A plasmonic metasurface light filter is disclosed. The light filter comprises a planar array of unit cells. Each unit cell includes a plurality of light-transmissive nanoholes having a non-circular substantially elliptical cross-section. Each unit cell is individually tunable with respect to frequency and polarization of light to filter by varying geometry of its respective nanoholes.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: October 7, 2025
    Assignee: METAHELIOS LTD
    Inventors: Charles Michael Xavier Altuzarra, Yash Diptesh Shah