Broadband light structuring through all-dielectric metasurfaces for imaging applications

Nasir Mahmood

doi:10.1117/12.3022118

18 June 2024 Broadband light structuring through all-dielectric metasurfaces for imaging applications

Nasir Mahmood

Proceedings Volume 12998, Optics, Photonics, and Digital Technologies for Imaging Applications VIII; 129981X (2024) https://doi.org/10.1117/12.3022118
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Conference Poster

Abstract

The achievement of a wide-ranging and versatile response from a single optical device holds significant relevance in microscopy and bio-medical imaging techniques. These imaging methods help us find the building blocks of a targeted object. However, classic optical systems require multiple components, which results in a bulky setup, making them impossible to integrate on a single chip. Luckily, metasurfaces are scientifically engineered and can manipulate light at subwavelength degrees. Therefore, they are ideal for constructing compact optical devices that seamlessly integrate onto a single chip. Current research trends have directed good attention towards broadband multifunctional meta-devices offering different applications. These metasurfaces can change waves at nano levels and show talent for various imaging and data communications tasks. However, developing multifunctional metasurfaces that can operate across a spectrum and have a single-cell construction base remains a challenge. In this study, we introduce an innovative spin-decoupled metasurface that functions across all visible spectrums to manipulate visible light and offers applications in biomedical imaging. Our designed methodology can integrate different phase profiles onto a single metasurface with the help of Fourier transformation, which gives different responses for different circularly polarized light. We numerically simulated each designed metasurface using the visible spectrum, and the obtained results indicate an excellent performance of a multifunctional metasurface. The presented approach and compact metadevices can pave the roadway for applications such as optical data transfer, edge detection microscopy, and biomedical imaging.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Nasir Mahmood "Broadband light structuring through all-dielectric metasurfaces for imaging applications", Proc. SPIE 12998, Optics, Photonics, and Digital Technologies for Imaging Applications VIII, 129981X (18 June 2024); https://doi.org/10.1117/12.3022118

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