2015
DOI: 10.17586/2226-1494-2015-15-3-457-462
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Comparison of two temperature measurement methods by upconversion fluorescence spectra of erbium-doped lead-fluoride nano-glass-ceramics

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Cited by 4 publications
(2 citation statements)
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“…In [6], we showed the possibility of temperature calibration while using the multivariate method of spectra analysisprojection to latent structures (PLS) [7]. Considering the upconversion fluorescence of erbium-doped lead-fluoride nanostructured ceramics, it was concluded that PLS for broadband fluorescence spectra without variable selection could give a smaller error in temperature calibration than the method of measuring temperature by fluorescence intensities ratio from two temperature-coupled levels of activator energy [8]. Current paper dwells upon the possibility of further temperature calibration accuracy improvement when using interval PLS [9] with variable selection in combination with two more methods of multivariate data analysis -the principal component analysis (PCA) [10] and the hierarchical cluster analysis (HCA).…”
Section: Introductionmentioning
confidence: 99%
“…In [6], we showed the possibility of temperature calibration while using the multivariate method of spectra analysisprojection to latent structures (PLS) [7]. Considering the upconversion fluorescence of erbium-doped lead-fluoride nanostructured ceramics, it was concluded that PLS for broadband fluorescence spectra without variable selection could give a smaller error in temperature calibration than the method of measuring temperature by fluorescence intensities ratio from two temperature-coupled levels of activator energy [8]. Current paper dwells upon the possibility of further temperature calibration accuracy improvement when using interval PLS [9] with variable selection in combination with two more methods of multivariate data analysis -the principal component analysis (PCA) [10] and the hierarchical cluster analysis (HCA).…”
Section: Introductionmentioning
confidence: 99%
“…В [4] нами было предложено использовать метод PLS для определения температуры по широкополосным спектрам апконвер-сионной флуоресценции, активированной ионами эр-бия свинцово-фторидной наностеклокерамики, и пока-зано [5], что этот метод позволяет получить меньшую ошибку предсказания температуры, чем измерения со-гласно широко применяемому методу FIR (fluorescence intensity ratio) по отношению интенсивностей двух полос флуоресценции с температурно связанных уровней [6]. В качестве объекта исследования в данной работе рас-смотрен Yb 3+ : CaF 2 , возбуждаемый неполяризованным излучением лазерного диода ML-151 ( " Милон", Россия) мощностью 1 W с максимумом спектра около 967 nm.…”
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