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Optica Publishing Group
  • OSA Optical Design and Fabrication 2021 (Flat Optics, Freeform, IODC, OFT)
  • OSA Technical Digest (Optica Publishing Group, 2021),
  • paper 120781S
  • https://doi.org/10.1117/12.2603679

Design of annular folded lenses using freeform gradient-index optics

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Abstract

Annular folded lenses (AFLs) offer high resolution monochromatic imaging in a low telephoto ratio package. Monolithic designs offer advantages but are inflicted with chromatic aberrations. Applying freeform gradient- index media enables more advanced, diffraction-limited monochromatic AFL designs. By optimizing the GRIN profile along with its dispersion, chromatic aberrations can also be corrected, granting high performing poly- chromatic designs.

© 2021 SPIE

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