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  4. Continuous-wave cascaded second Stokes diamond Raman laser at 1477 nm
 
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2021
Journal Article
Title

Continuous-wave cascaded second Stokes diamond Raman laser at 1477 nm

Abstract
We report a high brightness cascaded Stokes diamond Raman laser with a diffraction limited beam quality pumped by an Yd-doped fiber laser. The Raman laser operated at 1477 nm and reached an output power of 63 W with 214 W pump power in continuous-wave mode. Conversion efficiency over 30% was achieved using a single pump pass concentric cavity that was highly resonant at the first Stokes and had high outcoupling at the second Stokes (45%). Thermal limitations were investigated as well as the temporal behavior of the first and second Stokes intra-cavity power.
Author(s)
Heinzig, M.
Palma-Vega, G.
Yildiz, B.
Walbaum, T.
Schreiber, T.
Tünnermann, A.
Journal
Optics Letters  
DOI
10.1364/OL.416549
Language
English
Fraunhofer-Institut für Angewandte Optik und Feinmechanik IOF  
Keyword(s)
  • continuous wave

  • diffraction-limited beams

  • fiber lasers

  • high brightness

  • intracavities

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