Laser cooling of solids by stimulated Raman scattering and fluorescence

Stephen C. Rand

doi:10.1117/12.906861

8 February 2012 Laser cooling of solids by stimulated Raman scattering and fluorescence

Stephen C. Rand

Proceedings Volume 8275, Laser Refrigeration of Solids V; 827509 (2012) https://doi.org/10.1117/12.906861
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

A new method is analyzed for 3-D cooling of solids based on near-resonant, stimulated Raman scattering on a narrowband transition together with optical pumping on a broadband transition. Estimates of achievable cooling rates indicate that Raman cooling offers significant improvement over anti-Stkes fluorescence cooling at cryogenic temperatures and should enable the attainment of sub-Kelvin termperatures, starting from ambient conditions in bulk samples. Also the method is not restricted to ions with small Stokes shifts, and should therefore lead to diversification of the material platforms used for optical refrigeration.

Citation Download Citation

Stephen C. Rand "Laser cooling of solids by stimulated Raman scattering and fluorescence", Proc. SPIE 8275, Laser Refrigeration of Solids V, 827509 (8 February 2012); https://doi.org/10.1117/12.906861

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