Imprinted Barium Titanate Metalenses with broadband Focus

Helena Weigand; Viola V. Vogler-Neuling; Oliver Pitz; Ülle-Linda Talts; Flavia Timpu; Artemios Karvounis; Joel Winiger; Peter Benedek; Vanessa Wood; Jürg Leuthold; Rachel Grange

doi:10.1364/CLEO_QELS.2022.FF2D.6

Conference on Lasers and Electro-Optics
Technical Digest Series (Optica Publishing Group, 2022),
paper FF2D.6
•https://doi.org/10.1364/CLEO_QELS.2022.FF2D.6

Imprinted Barium Titanate Metalenses with broadband Focus

Helena Weigand, Viola V. Vogler-Neuling, Oliver Pitz, Ülle-Linda Talts, Flavia Timpu, Artemios Karvounis, Joel Winiger, Peter Benedek, Vanessa Wood, Jürg Leuthold, and Rachel Grange

CLEO: QELS_Fundamental Science 2022

San Jose, California United States
15–20 May 2022
ISBN: 978-1-957171-05-0

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Meta-optics (FF2D)

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H. Weigand, V. V. Vogler-Neuling, O. Pitz, Ü. Talts, F. Timpu, A. Karvounis, J. Winiger, P. Benedek, V. Wood, J. Leuthold, and R. Grange, "Imprinted Barium Titanate Metalenses with broadband Focus," in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper FF2D.6.

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Abstract

We present a metalens from barium titanate, a widely transparent and optically nonlinear material. We demonstrate broadband visible to near-infrared focusing using a simple soft nano-imprint fabrication to reach aspect-ratios of up to 8.

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