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Ferroelectric infrared detector and method

United States Patent

March 30, 2010
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
An apparatus and method are provided for sensing infrared radiation. The apparatus includes a sensor element that is positioned in a magnetic field during operation to ensure a .lamda. shaped relationship between specific heat and temperature adjacent the Curie temperature of the ferroelectric material comprising the sensor element. The apparatus is operated by inducing a magnetic field on the ferroelectric material to reduce surface charge on the element during its operation.
Lashley; Jason Charles (Sante Fe, NM), Opeil; Cyril P. (Chestnut Hill, MA), Smith; James Lawrence (Los Alamos, NM)
Los Alamos National Security, LLC (Los Alamos, NM)
11/ 961,815
December 20, 2007
STATEMENT REGARDING FEDERAL RIGHTS This invention was made with government support under contract number DE-AC52-06NA25396 awarded by the U.S. Department of Energy. The government has certain rights in the invention.