How good is your metalens? Experimental verification of metalens performance criterion

Published 18 Feb 2020 in physics.optics | (2002.07425v1)

Abstract: A metric for evaluation of overall metalens performance is presented. It is applied to determination of optimal operating spectral range of a metalens, both theoretically and experimentally. This metric is quite general and can be applied to the design and evaluation of future metalenses, particularly achromatic metalenses.

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