Freeform grayscale electromagnetic metamaterials

Qinglan Huang; Lucia T. Gan; Mingkun Chen; Jonathan A. Fan

doi:10.1364/FLATOPTICS.2021.JW4D.1

OSA Optical Design and Fabrication 2021 (Flat Optics, Freeform, IODC, OFT)
OSA Technical Digest (Optica Publishing Group, 2021),
paper JW4D.1
•https://doi.org/10.1364/FLATOPTICS.2021.JW4D.1

Freeform grayscale electromagnetic metamaterials

Qinglan Huang, Lucia T. Gan, Mingkun Chen, and Jonathan A. Fan

Freeform Optics 2021

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

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Joint Flat Optics and Freeform III (JW4D)

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Q. Huang, L. T. Gan, M. Chen, and J. A. Fan, "Freeform grayscale electromagnetic metamaterials," 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 JW4D.1.

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Abstract

We introduce a freeform metamaterial with a subwavelength-scale distribution of grayscale dielectric constants as a new class of electromagnetic material that exploits all possible material degrees of freedom and achieves supreme optical performances.

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