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U.S. Department of Energy
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Fluorescent refrigeration

Patent ·
OSTI ID:106691

Fluorescent refrigeration is based on selective radiative pumping, using substantially monochromatic radiation, of quantum excitations which are then endothermically redistributed to higher energies. Ultimately, the populated energy levels radiatively deexcite emitting, on the average, more radiant energy than was initially absorbed. The material utilized to accomplish the cooling must have dimensions such that the exciting radiation is strongly absorbed, but the fluorescence may exit the material through a significantly smaller optical pathlength. Optical fibers and mirrored glasses and crystals provide this requirement. 6 figs.

Research Organization:
University of California
DOE Contract Number:
W-7405-ENG-36
Assignee:
Univ. of California, Alameda, CA (United States)
Patent Number(s):
US 5,447,032/A/
Application Number:
PAN: 8-230,182
OSTI ID:
106691
Country of Publication:
United States
Language:
English

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