Journal
OPTICS LETTERS
Volume 48, Issue 3, Pages 775-778Publisher
Optica Publishing Group
DOI: 10.1364/OL.482073
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We propose a universal approach to design and generate non-diffracting structured light beams with arbitrary shapes. A practical spectral superposition algorithm is developed to discuss the non-diffracting properties and experimental results confirm the numerical findings. These structured beams differ from classical non-diffracting beams and have the potential for new applications in optical micromachining.
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
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