Multi-element metasurface system for imaging in the near-infrared
Sajan Shrestha, Adam Overvig, Ming Lu, Aaron Stein, Nanfang Yu
Abstract
Metasurfaces are optically thin 2D arrays of subwavelength scatterers that modify scalar and vector properties of incident electromagnetic fields. Metasurface lenses are of particular interest for imaging applications for their flat form factor, compatibility with CMOS fabrication processes, and potential for correcting aberrations with a small number of elements. We advance this capability by realizing a millimeter-diameter, polarization-independent metalens triplet system with chromatic aberration correction over the wavelength range of 1.30–1.60 μm and monochromatic aberration correction enabling a field of view of 50°.
Topics & Concepts
OpticsMonochromatic colorPhysicsChromatic aberrationPolarization (electrochemistry)OptoelectronicsFabricationMillimeterMaterials scienceChromatic scalePhysical chemistryMedicineAlternative medicinePathologyChemistryMetamaterials and Metasurfaces ApplicationsAdvanced Antenna and Metasurface TechnologiesAntenna Design and Analysis