22 February 2018 Laser cooling of solids: latest achievements and prospects
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Abstract
Laser cooling of solids, also known as optical refrigeration, is an area of optical science investigating the interaction of light with condensed matter to remove thermal energy of a solid through the interaction of the pump photons and phonons in a solid. Apart from being of fundamental scientific interest, this topic addresses a number of important practical issues such as the development of all solid state optical cryo-coolers, and biological applications. A short history of laser cooling as well as latest achievement of optical refrigeration in rare-earth (RE) doped macro-samples are presented and discussed in the paper. The main technique of laser cooling of RE doped solids based on anti-Stokes fluorescence is presented in this paper. The new approach to optical refrigeration based on the Raman cooling is also considered. It is shown that the future prospects of the research are connected with laser cooling of μm- and nm-sized samples, are in their applications in biophysics in the fundamental studies of low-temperature physics.
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Galina Nemova, Galina Nemova, Raman Kashyap, Raman Kashyap, } "Laser cooling of solids: latest achievements and prospects", Proc. SPIE 10550, Optical and Electronic Cooling of Solids III, 1055005 (22 February 2018); doi: 10.1117/12.2292514; https://doi.org/10.1117/12.2292514
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