Focusing on bandwidth: achromatic metalens limits

F Presutti, F Monticone - Optica, 2020 - opg.optica.org
chromatic properties of a metalens, which stems from the fact that it is not possible to impart
an arbitrary group delay to a signal independently of its bandwidth. … in bandwidth, as seen in …

Achromatic varifocal metalens for the visible spectrum

MD Aiello, AS Backer, AJ Sapon, J Smits… - ACS …, 2019 - ACS Publications
… Having demonstrated the ability to correct for chromatic aberration, we next used our varifocal
metalens to perform widefield imaging with white light. The setup is illustrated in Figure 5a, …

[PDF][PDF] Design of high efficiency achromatic metalens with large operation bandwidth using bilayer architecture

Y Wang, Q Fan, T Xu - Opto-Electron Adv, 2021 - researching.cn
… we design a broadband achromatic metalens with 700 nm operation bandwidth and 64% …
Achromatic metalens over 60 nm bandwidth in the visible and metalens with reverse chromatic

Broadband achromatic metalens in the midinfrared range

H Zhou, L Chen, F Shen, K Guo, Z Guo - Physical Review Applied, 2019 - APS
… of their building bricks, metalenses significantly suffer from large chromatic aberration. In …
Achromatic metalens over 60 nm bandwidth in the visible and metalens with reverse chromatic

A broadband achromatic metalens array for integral imaging in the visible

ZB Fan, HY Qiu, HL Zhang, XN Pang… - Light: Science & …, 2019 - nature.com
… However, the inherent chromatic aberration of the microlens array reduces the viewing … is
necessary for the broadband achromatic metalens, and the achromatic bandwidth Δω = ω max …

Achromatic and wide-field metalens in the visible region

Z Huang, M Qin, X Guo, C Yang, S Li - Optics Express, 2021 - opg.optica.org
metalens to achieve achromatic imaging over a field of view (FOV) of 60 in the visible light
range of 470 nm to 650 nm, … is another challenge for researchers due to chromatic aberration. …

Octave bandwidth photonic fishnet-achromatic-metalens

A Ndao, L Hsu, J Ha, JH Park… - Nature …, 2020 - nature.com
… It is thus important to have the correct slope to prevent chromatic effects and a … achromatic
metalenses spanning the continuous wavelength range from 640 nm in the visible to 1200 nm

Broadband achromatic metalens for linearly polarized light from 450 to 800 nm

M Liu, J Cao, N Xu, BX Wang - Applied Optics, 2021 - opg.optica.org
… made to design achromatic metalens in the visible spectrum. … also designed a chromatic
metalens working at 450 nm. Figures 3(… at the $x {-} z$ plane of the achromatic metalens and the …

Broadband achromatic polarization insensitive metalens over 950 nm bandwidth in the visible and near-infrared

P Sun, M Zhang, F Dong, L Feng, W Chu - Chinese Optics Letters, 2022 - opg.optica.org
… To verify the concept of above APPCM, we designed a broadband achromatic … Capasso,
Achromatic metalens over 60 nm bandwidth in the visible and metalens with reverse chromatic

An ultrabroadband 3D achromatic metalens

F Balli, MA Sultan, A Ozdemir, JT Hastings - Nanophotonics, 2021 - degruyter.com
… deviation from the mean focal length is measured as 6% showing that the metalens has
effectively corrected chromatic aberration over the entire visible to short-wave IR bandwidth. …