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Customizing non-diffracting structured beams
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DOI：10.1364/OL.482073.png)
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Abstract
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We demonstrate a universal approach to designing and generating non-diffracting structured light beams with arbitrary shapes. Such light beams can be tailored by predefining suitable spectral phases that match the corre-sponding beam shapes in the transverse plane. We develop a practical spectral superposition algorithm to discuss the non-diffracting properties and experimentally confirm our numerical results. Our proposed approach differs from that of classical non-diffracting beams, which are always constructed from wave equation solutions. The various non-diffracting structured beams could help manipulate particles following arbitrary transverse shapes and are likely to give rise to new applications in optical micromachining.(c) 2023 Optica Publishing Group
Keywords:
BESSEL
MANIPULATION
PROPAGATION
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3.3
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4.0W
Citations:
7.6W
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