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15 November 2018 Generation of Hermite-Laguerre-Gaussian beams based on space-variant Pancharatnam Berry phase
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Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 109645R (2018) https://doi.org/10.1117/12.2506404
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China
Abstract
This paper presents a novel method for generating Hermite-Laguerre-Gaussian beams based on a spiral phase plate and a metasurface. The spiral phase plate is used to generate and modulate the dynamic phase, which has been used to generate the Laguerre Gaussian beam. The metasurface of the spatial variation can modulate the geometric phase for generating the Hermite Gaussian beam. We found Pancharatnam-Berry phase changed over the propagation of Hermite-Laguerre-Gaussian beams in free space, and the beam rotated around the phase singularities, the chirality of circular polarization of the incident beam will change. The theoretical analysis results are verified by a simple experimental system. The Pancharatnam-Berry phase provides a new degree of freedom. The study provides the theoretical and experimental basis for manipulating of the vortex light field based on the metasurface.
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jin Zhang, Xiaoyan Yu, Yuqing Chen , Mian Huang, Xin Dai, and Dan Liu "Generation of Hermite-Laguerre-Gaussian beams based on space-variant Pancharatnam Berry phase", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 109645R (15 November 2018); https://doi.org/10.1117/12.2506404
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