= Flat lens
{wiki=Flat_lens}
A flat lens, often referred to as a flat optics or flat lens technology, is a type of optical lens that is designed to be flat rather than curved, which is typical for traditional lenses. Unlike conventional lenses that rely on spherical or cylindrical shapes to bend light, flat lenses use advanced materials and designs to manipulate light. One of the prominent approaches used in flat lenses is the use of metamaterials or nanostructures that can control the phase, amplitude, or polarization of light.
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