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9 March 2020 Observation of anti-Stokes fluorescence cooling of ytterbium-doped silica glass (Conference Presentation)
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Abstract
We report the observation of anti-Stokes fluorescence cooling of Yb-doped silica glass by 0.7 degrees Celsius. We conduct a detailed investigation of the cooling parameters of this glass, including the wavelength dependence of the cooling efficiency as a function of the wavelength and also the parasitic absorption of the pump laser. The measurements are performed on three different glass samples with different compositions and cooling is observed in all samples to varying degrees. The results highlight the possibility of using Yb-doped silica glass for radiation-balancing in fibers. Radiation-Balancing is a viable technique for heat mitigation in lasers and amplifiers.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Esmaeil Mobini, Saeid Rostami, Mostafa Peysokhan, Alexander R. Albrecht, Stefan Kuhn, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Ramona Eberhardt, Andreas Tünnermann, Mansoor Sheik-Bahae, and Arash Mafi "Observation of anti-Stokes fluorescence cooling of ytterbium-doped silica glass (Conference Presentation)", Proc. SPIE 11298, Photonic Heat Engines: Science and Applications II, 112980G (9 March 2020); https://doi.org/10.1117/12.2545233
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