Broadband optical power-limiter metalens

Liyi Hsu; Abdoulaye Ndao

doi:10.1364/FLATOPTICS.2021.FTu2C.6

OSA Optical Design and Fabrication 2021 (Flat Optics, Freeform, IODC, OFT)
OSA Technical Digest (Optica Publishing Group, 2021),
paper FTu2C.6
•https://doi.org/10.1364/FLATOPTICS.2021.FTu2C.6

Broadband optical power-limiter metalens

Liyi Hsu and Abdoulaye Ndao

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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Flat Optics and Metasurfaces III (FTu2C)

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L. Hsu and A. Ndao, "Broadband optical power-limiter 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 FTu2C.6.

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Abstract

We report a hybrid system that synergically combines a broadband optical power limiter with a transmittance difference between on-state (70°C) and off-state (25°C) about 62.5%, and a diffraction-limited broadband metalens from 1534 nm to 1664 nm.

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