Phase Contrast Imaging with Multiwavelength Achromatic Spiral Metalens

Youngjin Kim; Changhyun Kim; Byoungho Lee

doi:10.1364/FLATOPTICS.2021.FW4C.3

OSA Optical Design and Fabrication 2021 (Flat Optics, Freeform, IODC, OFT)
OSA Technical Digest (Optica Publishing Group, 2021),
paper FW4C.3
•https://doi.org/10.1364/FLATOPTICS.2021.FW4C.3

Phase Contrast Imaging with Multiwavelength Achromatic Spiral Metalens

Youngjin Kim, Changhyun Kim, and Byoungho Lee

Flat Optics: Components to Systems 2021

Washington, DC United States
27 June–1 July 2021
ISBN: 978-1-943580-88-0

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Imaging with Flat Optics I (FW4C)

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Y. Kim, C. Kim, and B. Lee, "Phase Contrast Imaging with Multiwavelength Achromatic Spiral Metalens," in OSA Optical Design and Fabrication 2021 (Flat Optics, Freeform, IODC, OFT), F. Capasso, W. Chen, P. Dainese, J. Fan, J. DeGroote Nelson, F. Duerr, J. Rogers, J. Rolland, P. Clark, R. Pfisterer, H. Rehn, S. Thibault, M. Jenkins, D. Wook Kim, and N. Trela-McDonald, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper FW4C.3.

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Abstract

We propose a multiwavelength achromatic spiral metalens by superposing three different fields of the lens having combined phase profile of hyperbolic and spiral phases. The spiral metalens performs the phase contrast imaging with a small form factor.

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