Dispersion engineered hybrid meta-surface design for highly compact optical systems

Lieven Penninck; Bavo Robben; Peter Muys

doi:10.1117/12.2651851

15 March 2023 Dispersion engineered hybrid meta-surface design for highly compact optical systems

Lieven Penninck, Bavo Robben, Peter Muys

Proceedings Volume 12432, High Contrast Metastructures XII; 1243206 (2023) https://doi.org/10.1117/12.2651851
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

While achromatic focusing with dispersion engineered meta-surfaces has been shown, the time-bandwidth product presents a fundamental trade-off between the diameter, numerical aperture and bandwidth that can be corrected in a single surface for given materials and thickness. We demonstrate design of hybrid systems combining multiple meta-surfaces with refractive lenses. Our method allows to design dispersion engineered systems where each meta-surface adheres to the time-bandwidth limit. As an example achromatic fiber couplers for telecom and imaging the near infra-red spectrum are simulated with the commercial software packages: PlanOpSim and ZEMAX. The wavefront aberration is below λ/12 for all specified wavefronts.

Conference Presentation

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Lieven Penninck, Bavo Robben, and Peter Muys "Dispersion engineered hybrid meta-surface design for highly compact optical systems", Proc. SPIE 12432, High Contrast Metastructures XII, 1243206 (15 March 2023); https://doi.org/10.1117/12.2651851

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