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Conferences > CLEO_FS > 2023 > JTu2A > JTu2A.149

Transmission Efficiency Limit for Nonlocal Metalenses

Shiyu Li and Chia Wei Hsu

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Abstract

We derive a fundamental bound on the transmission efficiency of diffraction-limited nonlocal metalenses. We show that high efficiency at large numerical aperture re-quires the entrance aperture to be smaller than the output aperture.

© 2023 The Author(s)

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