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High temperature, minimally invasive optical sensing modules

United States Patent

February 5, 2008
View the Complete Patent at the US Patent & Trademark Office
A remote temperature sensing system includes a light source selectively producing light at two different wavelengths and a sensor device having an optical path length that varies as a function of temperature. The sensor receives light emitted by the light source and redirects the light along the optical path length. The system also includes a detector receiving redirected light from the sensor device and generating respective signals indicative of respective intensities of received redirected light corresponding to respective wavelengths of light emitted by the light source. The system also includes a processor processing the signals generated by the detector to calculate a temperature of the device.
Riza; Nabeel Agha (Oviedo, FL), Perez; Frank (Tujunga, CA)
Nusensors, Inc. (Oviedo, FL), University of Central Florida (Orlando, FL)
11/ 185,540
July 20, 2005
This invention was made with U.S. Government support awarded by the following agencies: U.S. Department of Energy (DOE) Grant No.: DE-FC26-03 NT41923. The U.S. has Certain rights in this invention.