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Proceedings Paper

Experimental evidence for laser cooling of Yb:YLF to 120 Kelvin
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Paper 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.

Paper Details

Date Published: 8 February 2011
PDF: 5 pages
Proc. SPIE 7951, Laser Refrigeration of Solids IV, 795105 (8 February 2011); doi: 10.1117/12.878933
Show Author Affiliations
Seth D. Melgaard, The Univ. of New Mexico (United States)
Denis Seletskiy, The Univ. of New Mexico (United States)
Alberto Di Lieto, Univ. di Pisa (Italy)
Mauro Tonelli, Univ. di Pisa (Italy)
Mansoor Sheik-Bahae, The Univ. of New Mexico (United States)

Published in SPIE Proceedings Vol. 7951:
Laser Refrigeration of Solids IV
Richard Epstein; Mansoor Sheik-Bahae, Editor(s)

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