Generation of polygonal vortex beams in quasi-frequency- degenerate states of Yb:CALGO laser

Yijie Shen; Zhensong Wan; Yuan Meng; Xing Fu; Mali Gong

doi:10.1364/ASSL.2018.AW2A.3

Laser Congress 2018 (ASSL)
OSA Technical Digest (Optica Publishing Group, 2018),
paper AW2A.3
•https://doi.org/10.1364/ASSL.2018.AW2A.3

Generation of polygonal vortex beams in quasi-frequency- degenerate states of Yb:CALGO laser

Yijie Shen, Zhensong Wan, Yuan Meng, Xing Fu, and Mali Gong

Advanced Solid State Lasers 2018

Boston, Massachusetts United States
4–8 November 2018
ISBN: 978-1-943580-48-4

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Joint Session: Vortex Sources and Applications (AW2A)

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Y. Shen, Z. Wan, Y. Meng, X. Fu, and M. Gong, "Generation of polygonal vortex beams in quasi-frequency- degenerate states of Yb:CALGO laser," in Laser Congress 2018 (ASSL), OSA Technical Digest (Optica Publishing Group, 2018), paper AW2A.3.

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Abstract

We originally demonstrate the vortex beams carrying large OAM with exotic patterns of closed polygons, which is generated by a Yb:CALGO laser resonator with astigmatic transformation in quasi-frequency-degenerate SU(2) states.

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