Generation of Longitudinal Bessel Beam Based on Complex Amplitude Metasurface

Bessel beams occupy an important position in optical research due to their characteristics of long focal depth, self-healing ability, and diffraction-free propagation. Traditional methods for generating Bessel beams suffer from complexity, a large size, low uniformity, and limited NA. Metasurfaces a...

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Bibliographic Details
Main Authors: Lei Zhang, Qiang Jiang, Xuedian Zhang, Songlin Zhuang
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Photonics
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Online Access:https://www.mdpi.com/2304-6732/12/5/478
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