Generation of a Femtosecond Optical Vortex at ~ 2 µm

Yongguang Zhao; Yongguang Zhao; Li Wang; Weidong Chen; Xiaodong Xu; Pavel Loiko; Xavier Mateos; Zhengping Wang; Xinguang Xu; Uwe Griebner; Valentin Petrov

doi:10.1364/UP.2020.Tu4B.13

The 22nd International Conference on Ultrafast Phenomena 2020
OSA Technical Digest (Optica Publishing Group, 2020),
paper Tu4B.13
•https://doi.org/10.1364/UP.2020.Tu4B.13

Generation of a Femtosecond Optical Vortex at ~ 2 µm

Yongguang Zhao, Li Wang, Weidong Chen, Xiaodong Xu, Pavel Loiko, Xavier Mateos, Zhengping Wang, Xinguang Xu, Uwe Griebner, and Valentin Petrov

International Conference on Ultrafast Phenomena 2020

Washington, D.C. United States
16–19 November 2020
ISBN: 978-1-943580-83-5

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Poster Session IV (Tu4B)

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Y. Zhao, L. Wang, W. Chen, X. Xu, P. Loiko, X. Mateos, Z. Wang, X. Xu, U. Griebner, and V. Petrov, "Generation of a Femtosecond Optical Vortex at ~ 2 µm," in The 22nd International Conference on Ultrafast Phenomena 2020, F. Kärtner, M. Khalil, R. Li, F. Légaré, and T. Tahara, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper Tu4B.13.

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Abstract

A mode-locked solid-state laser in combination with a single-cylindrical-lens mode-converter is employed to produce a femtosecond optical vortex. The bandwidth-limited 112-fs pulses represent the shortest duration for a vortex laser in the 2-µm spectral range.

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