Title :
Fluorescence thermo-sensor using mixture of various phosphors
Author :
Katsumata, T. ; Harako, S. ; Nakayama, C. ; Aizawa, H. ; Komuro, S.
Author_Institution :
Toyo Univ., Saitama
Abstract :
Composite sensor mixed with long afterglow SrAl2O4:Eu,Ln phosphors and ruby have been developed for the fluorescence thermometer applications. Temperature can be measured based on the temperature dependence of photoluminescence (PL) intensity from mixed composite sensor. The temperature dependence of PL intensity and intensity ratio of PL from long afterglow phosphor and ruby is evaluated from PL spectra at various temperatures. Intensity ratio of PL peaks from different phosphors in the composite sensor is useful for temperature measurement.
Keywords :
europium; fluorescence; optical sensors; phosphors; photoluminescence; spectral methods of temperature measurement; strontium compounds; thermo-optical devices; thermometers; SrAl2O4:Eu; composite sensor; fluorescence thermo-sensor; photoluminescence intensity; temperature measurement; thermometer application; Fluorescence; Optoelectronic and photonic sensors; Phosphors; Photoluminescence; Resins; Sensor phenomena and characterization; Temperature dependence; Temperature measurement; Temperature sensors; Thermal sensors; Fluorescence thermometer; intensity ratio; peak intensity; photoluminescence; spinel;
Conference_Titel :
SICE, 2007 Annual Conference
Conference_Location :
Takamatsu
Print_ISBN :
978-4-907764-27-2
Electronic_ISBN :
978-4-907764-27-2
DOI :
10.1109/SICE.2007.4421393
