Coherent beam combining of optical vortices

We experimentally demonstrate the power scaling of optical vortices by the coherent beam combining, encompassing topological charges ranging from l=1 to l=5 realized on the basis of a Yb-doped fiber short-pulsed laser system. The combining efficiency varies from 83.2 to 96.9% depending on the topolo...

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Bibliographic Details
Published inarXiv.org
Main Authors Fathi, Hossein, Narhi, Mikko, Gumenyuk, Regina
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 15.12.2023
Subjects
Doped fibers
Fiber lasers
Luminous intensity
Pulsed lasers
Spatial light modulators
Topology
Vortices
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Summary:We experimentally demonstrate the power scaling of optical vortices by the coherent beam combining, encompassing topological charges ranging from l=1 to l=5 realized on the basis of a Yb-doped fiber short-pulsed laser system. The combining efficiency varies from 83.2 to 96.9% depending on the topological charge and beam pattern quality generated by the spatial light modulators. These results open a pathway to high-intensity optical vortices with enormous potential applications in science and industry by utilizing advances in light-matter interactions.
ISSN:2331-8422