A study on achromatic metalens in the visible range

Yan He

doi:10.1117/12.2667845

27 February 2023 A study on achromatic metalens in the visible range

Yan He

Proceedings Volume 12585, International Conference on Precision Instruments and Optical Engineering (PIOE 2022); 125850M (2023) https://doi.org/10.1117/12.2667845
Event: International Conference on Precision Instruments and Optical Engineering (PIOE 2022), 2022, Guangzhou, China

Abstract

The core of the study of metalens is the wavefront shaping of incident light using optical elements whose thickness is in the wavelength range. This integrated and miniaturized optical structure will be widely used in common optical instruments and nano optical devices. In this paper, the phase and group delay of light are controlled by designing the nanostructured unit, and the achromatic metalens with a large bandwidth is realized. However, achromatic metalens does not cover the whole visible spectrum. In this paper, the author demonstrates an achromatic metalens for a certain wavelength of visible light (400nm-600nm).

Citation Download Citation

Yan He "A study on achromatic metalens in the visible range", Proc. SPIE 12585, International Conference on Precision Instruments and Optical Engineering (PIOE 2022), 125850M (27 February 2023); https://doi.org/10.1117/12.2667845

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