Session 1

[OMC3-04] Direct generation of visible Bessel-vortex beams from Pr³⁺ fiber laser

*Yuto Yoneda¹, Allam Srinivasa Rao^1,2, Yasushi Fujimoto³, Katsuhiko Miyamoto^1,2, Takashige Omatsu^1,2 (1. Chiba University, 2. Molecular Chirality Research Center, 3. Chiba Institute of Technology)

We herein demonstrate the direct generation of multicolor (523, 605, 637 nm) first-order Bessel-vortex modes from a Pr³⁺ water-proof fluoro-aluminate glass (Pr³⁺:WPFG) fiber laser by utilizing the chromatic and spherical aberrations of the intracavity lens.