Vortex Laser Output with a Fundamental Gaussian Internal Mode using a Sagnac Interferometer

W. R. Kerridge-Johns; J. W. Geberbauer; A. Volpini; M. J. Damzen

doi:10.1364/ASSL.2018.AW2A.2

Laser Congress 2018 (ASSL)
OSA Technical Digest (Optica Publishing Group, 2018),
paper AW2A.2
•https://doi.org/10.1364/ASSL.2018.AW2A.2

Vortex Laser Output with a Fundamental Gaussian Internal Mode using a Sagnac Interferometer

W. R. Kerridge-Johns, J. W. Geberbauer, A. Volpini, and M. J. Damzen

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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W. R. Kerridge-Johns, J. W. Geberbauer, A. Volpini, and M. J. Damzen, "Vortex Laser Output with a Fundamental Gaussian Internal Mode using a Sagnac Interferometer," in Laser Congress 2018 (ASSL), OSA Technical Digest (Optica Publishing Group, 2018), paper AW2A.2.

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Abstract

We experimentally demonstrate a simple technique to convert any linear laser cavity into an optical vortex source using a Sagnac interferometer as an output coupler. No specialist optics are needed, the vortex has controlled handedness.

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