11 February 2008 Cooling of Yb:YLF using cavity enhanced resonant absorption
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Abstract
Using a cavity resonant absorption scheme we demonstrate record laser cooling for the rare-earth doped crystalline solid Yb:YLF. A temperature drop of nearly 70 degrees is obtained with respect to the ambient. Our preliminary results indicate that minimum achievable temperature in this material/sample is 170 K, as measured using a modified differential luminescence thermometry technique. This indicates outstanding potential for Yb:YLF as a cryogenic laser cooler material.
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D. Seletskiy, D. Seletskiy, M. P. Hasselbeck, M. P. Hasselbeck, M. Sheik-Bahae, M. Sheik-Bahae, R. I. Epstein, R. I. Epstein, S. Bigotta, S. Bigotta, M. Tonelli, M. Tonelli, } "Cooling of Yb:YLF using cavity enhanced resonant absorption", Proc. SPIE 6907, Laser Refrigeration of Solids, 69070B (11 February 2008); doi: 10.1117/12.759152; https://doi.org/10.1117/12.759152
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