High NA Silicon Metalens at Visible Wavelengths

Haowen Liang; Haowen Liang; Qiaoling Lin; Yin Wang; Qian Sun; Qian Sun; Juntao Li; Juntao Li

doi:10.1364/CLEO_QELS.2018.FM3J.3

Conference on Lasers and Electro-Optics
OSA Terchnical Digest (online) (Optica Publishing Group, 2018),
paper FM3J.3
•https://doi.org/10.1364/CLEO_QELS.2018.FM3J.3

High NA Silicon Metalens at Visible Wavelengths

Haowen Liang, Qiaoling Lin, Yin Wang, Qian Sun, and Juntao Li

CLEO: QELS_Fundamental Science 2018

San Jose, California United States
13–18 May 2018
ISBN: 978-1-943580-42-2

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Imaging and Cloaking in Metamaterials (FM3J)

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H. Liang, Q. Lin, Y. Wang, Q. Sun, and J. Li, "High NA Silicon Metalens at Visible Wavelengths," in Conference on Lasers and Electro-Optics, OSA Terchnical Digest (online) (Optica Publishing Group, 2018), paper FM3J.3.

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Abstract

We present a crystalline silicon based metalens with effectively low loss and high-NA in air. This metalens can be further front-immersed in high index liquids, presenting much higher NA and diffraction-limited focusing.

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