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Proceedings Paper

Optical cooling in multi-level systems
Author(s): Steven R. Bowman; Joseph Ganem; Christopher G. Brown
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Paper Abstract

A theoretical model for optical cooling is developed, which yields the overall efficiency of a single endpumped cooling system. This model includes the effects of background absorption and pump saturation, while in multi-level systems, the model accounts for the important energy transfer processes. Two-level efficiency is evaluated for the case of Yb:YAG and compared with a hypothetical three-level material with identical spectral properties. This model is readily modified to include more levels and different materials.

Paper Details

Date Published: 19 February 2014
PDF: 10 pages
Proc. SPIE 9000, Laser Refrigeration of Solids VII, 90000G (19 February 2014); doi: 10.1117/12.2040073
Show Author Affiliations
Steven R. Bowman, U.S. Naval Research Lab. (United States)
Joseph Ganem, Loyola Univ. Maryland (United States)
Christopher G. Brown, SOTERA Defense Solutions, Inc. (United States)


Published in SPIE Proceedings Vol. 9000:
Laser Refrigeration of Solids VII
Richard I. Epstein; Denis V. Seletskiy; Mansoor Sheik-Bahae, Editor(s)

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