Mr. Ke Hai Luo Profile

Ke Hai Luo

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Proceedings Article | 16 October 2023 Paper

High-charge perfect vortex beam generation

Ke Hai Luo, Rui Ma, Jun Liu, Dian Yuan Fan

Proceedings Volume 12792, 127921Q (2023) https://doi.org/10.1117/12.2691523

KEYWORDS: Digital micromirror devices, Wavefronts, Modulation, Fiber lasers, Charge-coupled devices, Binary data

Read Abstract +

Optical vortices have captured considerable attention in the past several decades. The generation of a flexibly modulated vortex beam with super-high topological charge is always attractive for practical applications. Here, we combine random fiber laser (RFL) with digital micromirror device (DMD) based superpixel wavefront shaping, realizing the perfect vortex beam (PVB) generation with topological charge as high as 130 order. The resulting ultra-high topological charge PVBs inherit the advantages of low noise and none longitudinal mode oscillation from RFL, high fidelity and flexibility from superpixel wavefront shaping. It is anticipated that the proposed high-charge PVB can serve as a seed beam for the development of advanced structured light, which has great potential in the fields of optical manipulation, optical communication, and biphotonic.

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