An intracavity, frequency-doubled self-Raman vortex laser | Zendy

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

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An intracavity, frequency-doubled self-Raman vortex laser

Author(s) -

Andrew Lee,

Chunyu Zhang,

Takashige Omatsu,

Helen M. Pask

Publication year - 2014

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.22.005400

Subject(s) - optics , raman scattering , laser , optical vortex , raman laser , energy conversion efficiency , angular momentum , topological quantum number , light beam , diode , physics , vortex , raman spectroscopy , beam (structure) , materials science , optoelectronics , quantum mechanics , thermodynamics

We demonstrate intracavity frequency doubling of the self-Raman field generated within a diode end-pumped, solid state Nd:GdVO(4) vortex laser. A maximum output power of 727 mW is generated at 586 nm with an overall diode-to-yellow conversion efficiency of 4%. Conservation of orbital angular momentum is observed under intracavity frequency doubling, with the topological charge of the yellow beam being twice that of the Stokes beam.

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