A temperature sensor includes a photon source, a fluorescent element and a photodetector. The fluorescent element includes a temperature-insensitive first fluorophore and a temperature-sensitive second fluorophore. The photodetector includes a first photosensor exhibiting a first spectral responsivity and a second photosensor exhibiting a second spectral responsivity. The first fluorophore may be selected to optimize the first spectral responsivity and the second fluorophore may be selected to optimize the second spectral responsivity. To measure a temperature of a surface, the fluorescent element may be placed adjacent to the surface and irradiated with a photon beam. First photons emitted from the first fluorophore and second photons emitted from the second fluorophore are collected. The first and second photons may be transmitted as a single dichromatic beam to a photodetector that includes two photosensors having different respective spectral responsivities such that the two photosensors generate two different electrical output signals, the ratio of which may be correlated to temperature.
申请公布号
WO2011127250(A2)
申请公布日期
2011.10.13
申请号
WO2011US31533
申请日期
2011.04.07
申请人
RESEARCH TRIANGLE INSTITUTE, INTERNATIONAL;LEWIS, JOHN;KLEM, ETHAN;PIASCIK, JEFFREY, ROBERT;CUNNINGHAM, GARRY, BRIAN
发明人
LEWIS, JOHN;KLEM, ETHAN;PIASCIK, JEFFREY, ROBERT;CUNNINGHAM, GARRY, BRIAN