Temperature dynamics of laser cooling of solids with Yb3+ ions

Galina Nemova; Raman Kashyap

doi:10.1117/12.2038447

19 February 2014 Temperature dynamics of laser cooling of solids with Yb³⁺ ions

Galina Nemova, Raman Kashyap

Proceedings Volume 9000, Laser Refrigeration of Solids VII; 90000H (2014) https://doi.org/10.1117/12.2038447
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

We consider a theoretical model for laser cooling with anti-Stokes fluorescence of a Yb³⁺:YAG sample. We have estimated the fluorescence power density removed from the system with spontaneous emission, the power density radiated with stimulated emission as well as the heat power density generated in the system by non-radiative decays from the impurities in the host material. We have investigated the influence of each of these power densities on the cooling process in Yb³⁺:YAG system. It has been shown how the temperature dependences of the different parameters of the system as well as the concentration of the impurities in the host influence the final temperature of the cooled sample.

Citation Download Citation

Galina Nemova and Raman Kashyap "Temperature dynamics of laser cooling of solids with Yb³⁺ ions", Proc. SPIE 9000, Laser Refrigeration of Solids VII, 90000H (19 February 2014); https://doi.org/10.1117/12.2038447

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