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Semiconductor-based optical refrigerator

United States Patent

April 30, 2002
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
Optical refrigerators using semiconductor material as a cooling medium, with layers of material in close proximity to the cooling medium that carries away heat from the cooling material and preventing radiation trapping. In addition to the use of semiconducting material, the invention can be used with ytterbium-doped glass optical refrigerators.
Epstein; Richard I. (Santa Fe, NM), Edwards; Bradley C. (Nekoosa, WI), Sheik-Bahae; Mansoor (Albuquerque, NM)
The Regents of the University of California (Los Alamos, NM)
09/ 798,339
March 2, 2001
The present invention generally relates to optical refrigerators, and, more particularly, to optical refrigerators using semiconductor materials to achieve the optical cooling. This invention was made with Government support under Contract No. W-7405-ENG-36 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.