8 February 2011 Experimental evidence for laser cooling of Yb:YLF to 120 Kelvin
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Proceedings Volume 7951, Laser Refrigeration of Solids IV; 795105 (2011) https://doi.org/10.1117/12.878933
Event: SPIE OPTO, 2011, San Francisco, California, United States
Abstract
We utilize highly sensitive spectroscopic local temperature probe to ascertain cooling performance of Yb:YLF crystal as a function of wavelength and temperature. A minimum achievable temperature of 120 K is measured at pump wavelength corresponding to E4-E5 Stark manifold transition. Results verify current model for laser cooling cycle as well as demonstrate the lowest temperature achievable by means of optical refrigeration to date.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Seth D. Melgaard, Seth D. Melgaard, Denis Seletskiy, Denis Seletskiy, Alberto Di Lieto, Alberto Di Lieto, Mauro Tonelli, Mauro Tonelli, Mansoor Sheik-Bahae, Mansoor Sheik-Bahae, } "Experimental evidence for laser cooling of Yb:YLF to 120 Kelvin", Proc. SPIE 7951, Laser Refrigeration of Solids IV, 795105 (8 February 2011); doi: 10.1117/12.878933; https://doi.org/10.1117/12.878933
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