The next disruptive step in nanoscale imaging will be the development of a label-free, far-field technique that beats the diffraction limit of resolution. To this end, the authors present an innovative far-field super-resolution metamaterial lens, composed of a planar array of discrete subwavelength resonant antennas. These antennas have individual, tailored scattering characteristics, for continuous amplitude and phase modulation. This system will enable label-free, super-resolved nonalgorithmic microscopies at harmless levels of intensity, without impregnating the imaging objects with fluorescent materials.
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Yuan et al. (2019) studied this question.
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