Direct generation of a first-Stokes vortex laser beam from a self-Raman laser | Zendy

Andrew Lee | Zendy; Takashige Omatsu | Zendy; Helen M. Pask | Zendy

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Direct generation of a first-Stokes vortex laser beam from a self-Raman laser

Author(s) -

Andrew Lee,

Takashige Omatsu,

Helen M. Pask

Publication year - 2013

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.21.012401

Subject(s) - optics , raman laser , raman scattering , laser , laser beam quality , materials science , raman spectroscopy , coherent anti stokes raman spectroscopy , beam (structure) , beam parameter product , m squared , physics , laser beams

We demonstrate the direct generation of a first-order LG(01) Laguerre Gaussian (vortex) mode operating at the first-Stokes wavelength of a diode end-pumped, Nd:GdVO(4) self-Raman laser. To the best of our knowledge, this is the first report of intracavity stimulated Raman scattering (SRS) being used as a method for frequency conversion of a vortex laser beam and it is effective in enabling the frequency-converted (Stokes) beam to have the same LG(01) mode as the fundamental beam.

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