Title :
Temperature dependence of upconversion fluorescence intensity ratio of Er,Yb:YVO4 and Er,Yb:YGdVO4 crystals
Author :
Khodasevich, M. ; Varaksa, Y. ; Sinitsyn, G. ; Shereshovets, N. ; Aseev, V.
Author_Institution :
B.I.Stepanov Insitute of Phys., Minsk, Belarus
fDate :
June 30 2014-July 4 2014
Abstract :
Green upconversion fluorescence of Er,Yb:YVO4 and Er,Yb:YGdVO4 are studied in the spectral range of 520-560 nm in the temperature range from room temperature to 150°C under 967 nm pumping. It is shown that the temperature measurement sensitivity of fluorescence intensity ratio sensors on the base of these crystals is about 0.008 K-1 and is comparable with the corresponding values for Er-doped silica fiber.
Keywords :
erbium; fibre optic sensors; fluorescence; gadolinium compounds; optical pumping; temperature measurement; temperature sensors; vanadium compounds; visible spectra; ytterbium; yttrium compounds; YGdVO4:Er,Yb; YVO4:Er,Yb; erbium-doped silica fiber; green upconversion fluorescence intensity ratio sensors; optical pumping; temperature 293 K to 298 K; temperature measurement sensitivity; wavelength 520 nm to 560 nm; wavelength 967 nm; Finite impulse response filters; Fluorescence; Optical pumping; Optical sensors; Temperature dependence; Temperature measurement; Temperature sensors; fluorescence intensity ratio; temperature dependence; upconversion;
Conference_Titel :
Laser Optics, 2014 International Conference
Conference_Location :
Saint Petersburg
Print_ISBN :
978-1-4799-3884-1
DOI :
10.1109/LO.2014.6886242
