To unify travelling- and standing-wave ray-wave structured light by coherent wave packets

Zhaoyang Wang; Yijie Shen; Zhensong Wan; Qiang Liu; Xing Fu

doi:10.1117/12.2596426

1 August 2021 To unify travelling- and standing-wave ray-wave structured light by coherent wave packets

Zhaoyang Wang, Yijie Shen, Zhensong Wan, Qiang Liu, Xing Fu

Proceedings Volume 11818, Laser Beam Shaping XXI; 118180L (2021) https://doi.org/10.1117/12.2596426
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Abstract

Structured light with diverse degrees of freedom (DoFs) has recently attracted wide attention. Especially, the ray-wave beams that could be described by both rays and wave packet, can open multiple DoFs by the ray- wave duality. Here a generalized ray-wave beam family is proposed to unify the spatial mode evolution of the azimuthally traveling-wave (TW) and standing-wave (SW) structured light, by introducing a reconfigureable ray-split/fusion structure. We derive an elegant closed-form expression by utilizing frequency-degenerate Ince- Gaussian eigenmodes to construct a new ray-wave beams family to precisely parameterize the ray-split/fusion process, pushing structured light control in higher dimensions. We also experimentally generate these modes by dynamic control of a digital hologram system, revealing their potential applications in optical manipulation and communication.

Conference Presentation

Citation Download Citation

Zhaoyang Wang, Yijie Shen, Zhensong Wan, Qiang Liu, and Xing Fu "To unify travelling- and standing-wave ray-wave structured light by coherent wave packets", Proc. SPIE 11818, Laser Beam Shaping XXI, 118180L (1 August 2021); https://doi.org/10.1117/12.2596426

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