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4 March 2022 Anti-Stokes fluorescence cooling of ytterbium doped silica glass for radiation-balanced fiber lasers
Brian Topper, Mostafa Peysokhan, Alexander R. Albrecht, Angel S. Flores, Stefan Kuhn, Denny Häßner, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Mansoor Sheik-Bahae, Arash Mafi
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Proceedings Volume PC11981, Fiber Lasers XIX: Technology and Systems; PC119810N (2022) https://doi.org/10.1117/12.2615241
Event: SPIE LASE, 2022, San Francisco, California, United States
Abstract
Record laser cooling of Yb-doped silica by 18.4 K was recently observed in vacuum. There is a strong indication pointing to even stronger laser-cooling of Yb-doped silica. In light of these results, a radiation-balanced fiber laser in which cooling from spontaneous emission offsets waste heat generation appears more feasible than before. We will discuss the possibility of a radiation-balanced fiber laser, the similarities and differences with the conventional fiber lasers, and performance issues.
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Brian Topper, Mostafa Peysokhan, Alexander R. Albrecht, Angel S. Flores, Stefan Kuhn, Denny Häßner, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Mansoor Sheik-Bahae, and Arash Mafi "Anti-Stokes fluorescence cooling of ytterbium doped silica glass for radiation-balanced fiber lasers", Proc. SPIE PC11981, Fiber Lasers XIX: Technology and Systems, PC119810N (4 March 2022); https://doi.org/10.1117/12.2615241
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KEYWORDS
Fiber lasers
Silica
Glasses
Luminescence
Ytterbium
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