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7 March 2007 Laser cooling using cavity enhanced pump absorption
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Abstract
We discuss a cavity enhanced resonant absorption (CERA) approach for increasing optical pump absorption. This is demonstrated in the context of laser cooling of solids, where the absorption in ytterbium (Yb+3) ion is increased by over an order of magnitude. This corresponds to more than 90% absorption efficiency. We demonstrate cooling with Yb:ZBLAN and obtain &Dgr;T = -3 K starting from room temperature.
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D. Seletskiy, M. P. Hasselbeck, M. Sheik-Bahae, and R. I. Epstein "Laser cooling using cavity enhanced pump absorption", Proc. SPIE 6461, Laser Cooling of Solids, 646104 (7 March 2007); https://doi.org/10.1117/12.709788
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