Well-characterized solid-state laser materials are evaluated for performance in optical refrigeration as well as radiation-balanced laser systems. New figures-of-merit are developed and applied to ytterbium-doped materials. Superior performance is predicted for high-cross-section tungstate materials. Photothermal deflection experiments on samples of Yb3+-doped KGd(WO4)2 confirm anti-Stokes fluorescence cooling. This is the first observation of optical cooling in a crystal. © Springer-Verlag 2000.
CITATION STYLE
Bowman, S. R., & Mungan, C. E. (2000). New materials for optical cooling. Applied Physics B: Lasers and Optics, 71(6), 807–811. https://doi.org/10.1007/s003400000416
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