Direct generation of higher-order vector vortex modes at 640 nm from a Pr3+:YLF laser source

Takuya Morohashi; A. Srinivasa Rao; Takashige Omatsu

doi:10.1117/12.3008345

20 September 2023 Direct generation of higher-order vector vortex modes at 640 nm from a Pr³⁺:YLF laser source

Takuya Morohashi, A. Srinivasa Rao, Takashige Omatsu

Proceedings Volume 12606, Optical Manipulation and Structured Materials Conference; 126060Q (2023) https://doi.org/10.1117/12.3008345
Event: Optics and Photonics International Congress, 2023, Yokohama, Japan

Abstract

We report on the direct generation of higher-order cylindrical vector vortex modes at red (640 nm) from the Pr³⁺:LiYF₄(Pr³⁺:YLF) laser with an intra-cavity plano-convex spherical lens. Desired cylindrical vector vortex mode is selectively generated from the laser cavity appropriately by adjusting an on-axis position of the intra-cavity lens. Our laser system can operate at single and superposed vector vortex modes. Such compact and cost-saving vector vortex laser source can be easily integrated to any commercial device for applications.

Citation Download Citation

Takuya Morohashi, A. Srinivasa Rao, and Takashige Omatsu "Direct generation of higher-order vector vortex modes at 640 nm from a Pr³⁺:YLF laser source", Proc. SPIE 12606, Optical Manipulation and Structured Materials Conference, 126060Q (20 September 2023); https://doi.org/10.1117/12.3008345

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