Revolutionary ultra-thin 'meta-lens' enables full-color imaging

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Engineers have created the first flat lens capable of correctly focusing a large range of colors of any polarization to the same focal spot without the need for any additional elements. Only a micron thick, their revolutionary 'flat' lens is much thinner than a sheet of paper and offers performance comparable to top-of-the-line compound lens systems.

from Latest Science News -- ScienceDaily https://ift.tt/2xVKD3y

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