Laser cooling using cavity enhanced pump absorption

D. Seletskiy; M. P. Hasselbeck; M. Sheik-Bahae; R. I. Epstein

doi:10.1117/12.709788

7 March 2007 Laser cooling using cavity enhanced pump absorption

D. Seletskiy, M. P. Hasselbeck, M. Sheik-Bahae, R. I. Epstein

Proceedings Volume 6461, Laser Cooling of Solids; 646104 (2007) https://doi.org/10.1117/12.709788
Event: Lasers and Applications in Science and Engineering, 2007, San Jose, California, United States

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.

Citation Download Citation

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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