20 February 2017 Optical vortex pumped solid-state Raman laser
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Abstract
A vortex Raman laser pumped by the second-order optical vortex mode was demonstrated. The first- and the second- Stokes waves that lased at the first-order optical vortex mode were generated. Considering the spatial intensity overlap between the pump and the first-Stokes beam, and between the first- and second-Stokes beams, the generation of a topological charge of 1 in the Stokes fields could be theoretically predicted.
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Yoshihiro Nishigata, Cheng-Yeh Lee, Yuji Miyamoto, Katsuhiko Miyamoto, Yung-Fu Chen, Takashige Omatsu, "Optical vortex pumped solid-state Raman laser", Proc. SPIE 10082, Solid State Lasers XXVI: Technology and Devices, 1008203 (20 February 2017); doi: 10.1117/12.2249961; https://doi.org/10.1117/12.2249961
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