Science Advances

Supplementary Materials

This PDF file includes:

  • section 1. Effect of the cubic phase strength α on image quality
  • section 2. Image comparison for different deconvolution methods
  • section 3. Assessing chromatic invariance by SSIM of images
  • section 4. Comparison of theoretical and experimental MTFs with nonzero source bandwidth
  • section 5. Off-axis metalens performance
  • fig. S1. Transmission amplitude and phase of the nanoposts as a function of diameter.
  • fig. S2. Transmission amplitude and phase of the nanoposts as a function of lattice constant and diameter.
  • fig. S3. Scanning electron micrographs of the fabricated metasurfaces.
  • fig. S4. Experimental setup for characterizing the focal plane.
  • fig. S5. Experimental setup for imaging with metasurfaces.
  • fig. S6. Images captured with systems of different cubic phase strength.
  • fig. S7. Image quality comparison for different deconvolution methods.
  • fig. S8. Comparison of theoretical and experimental MTFs with nonzero source bandwidth.
  • fig. S9. Simulated off-axis performance of the singlet and EDOF metalenses.
  • fig. S10. Efficiencies of the singlet and EDOF metalenses.
  • Reference (40)

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