Inverse Design of Multilayer Broadband “RGBP” Freeform Metalens for Dual-Functional Color-sorting and Polarization Imaging

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Cindy Pan, Matthew Brand

Published: 09 May 2025, Last Modified: 29 Apr 2025IEEE Conference on Lasers and Electro-Optics (CLEO)EveryoneCC BY 4.0
Abstract: We optimize an inverse-designed multilayer freeform dual-function metalens alternative to Bayer masks, achieving 60% color sorting and 51% polarization sorting efficiency—surpassing single-layer metalenses in both functions.