Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2006-05-04
Physics
Condensed Matter
Other Condensed Matter
4 pages, 4 figures. The figures enclosed with this submission are low quality ones. Versions of this paper with high quality f
Scientific paper
10.1103/PhysRevLett.97.033001
We report the first observation of anti-Stokes laser-induced cooling in the Er^{3+}:KPb_{2}Cl_{5} crystal and in the Er^{3+}:CNBZn (CdF_{2}-CdCl_{2}-NaF-BaF_{2}-BaCl_{2}-ZnF_{2}) glass. The internal cooling efficiencies have been calculated by using photothermal deflection spectroscopy. Thermal scans acquired with an infrared thermal camera proved the bulk cooling capability of the studied samples. Implications of these results are discussed.
Balda Rolindes
Fernandez Joaquin
Garcia-Adeva Angel J.
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