Frontiers in Optics + Laser Science 2022 (FIO, LS) 2022
DOI: 10.1364/fio.2022.jw5b.20
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Inverse method for superoscillatory focusing

Abstract: We provide an inverse method for constructing a superoscillatory optical mask for subwavelength focusing. Our approach is based on superoscillatory superpositions of paraxial Laguerre-Gaussian (LG) beams, by imposing subwavelength features.

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