Multi-element metasurface system for imaging in the near-infrared

Sajan Shrestha; Adam Overvig; Ming Lu; Aaron Stein; Nanfang Yu

doi:10.1063/5.0141881

Multi-element metasurface system for imaging in the near-infrared

Sajan Shrestha, Adam Overvig, Ming Lu, Aaron Stein, Nanfang Yu

Department of Physics

Columbia University

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

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°.

Original language	English
Article number	201701
Journal	Applied Physics Letters
Volume	122
Issue number	20
DOIs	https://doi.org/10.1063/5.0141881
State	Published - 15 May 2023

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AU - Overvig, Adam

AU - Lu, Ming

AU - Stein, Aaron

AU - Yu, Nanfang

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AB - 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°.

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Multi-element metasurface system for imaging in the near-infrared

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