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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-2182</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title>Многопараметрические калибровки температуры по спектрам ап-конверсионной флуоресценции активированных гольмием и иттербием алюмофторидных стекол</article-title><trans-title-group xml:lang="en"><trans-title>Multivariate Temperature Calibrations Based on Upconversion Fluorescence Spectra of Holmium and Ytterbium-Doped Alumofluoride Glasses</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Апанасевич</surname><given-names>С. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Apanasevich</surname><given-names>S. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Колодочка</surname><given-names>П. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolodochka</surname><given-names>P. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Королько</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Korolko</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куликовская</surname><given-names>П. A.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulikovskaya</surname><given-names>P. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Колобкова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolobkova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>St. Petersburg</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ходасевич</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khodasevich</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ходасевич</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khodasevich</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">m.khodasevich@ifanbel.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики НАН Беларуси</institution></aff><aff xml:lang="en"><institution>B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт физики НАН Беларуси; Университет Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus; University of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Университет ИТМО</institution></aff><aff xml:lang="en"><institution>ITMO University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>30</day><month>03</month><year>2026</year></pub-date><volume>93</volume><issue>2</issue><fpage>264</fpage><lpage>270</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Апанасевич С.П., Колодочка П.С., Королько Д.А., Куликовская П.A., Колобкова Е.В., Ходасевич И.А., Ходасевич М.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Апанасевич С.П., Колодочка П.С., Королько Д.А., Куликовская П.A., Колобкова Е.В., Ходасевич И.А., Ходасевич М.А.</copyright-holder><copyright-holder xml:lang="en">Apanasevich S.P., Kolodochka P.S., Korolko D.A., Kulikovskaya P.A., Kolobkova E.V., Khodasevich I.A., Khodasevich M.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://zhps.ejournal.by/jour/article/view/2182">https://zhps.ejournal.by/jour/article/view/2182</self-uri><abstract><p>Методы машинного обучения (метод главных компонент, регрессия на опорные вектора и метод частичных наименьших квадратов) применены для калибровки температуры по спектрам ап-конверсионной флуоресценции Ho3+ в алюмофторидных стеклах в диапазонах длин волн 505—560 и 605—670 нм для интервала температур 30—105 °С наряду с традиционным ратиометрическим методом. Среди рассмотренных методов лучшие калибровочные модели получены методом частичных наименьших квадратов с поиском комбинации движущихся окон в спектрах флуоресценции стекла 95MgCaSrBaYAl2F14-5Ва(РО3)2:5%Yb3+,0.1%Ho3+. Достигнутые методами машинного обучения абсолютная чувствительность калибровки температуры 0.021 К–1 и неопределенность оценки температуры 0.12 К существенно превышают характеристики ратиометрического метода.</p></abstract><trans-abstract xml:lang="en"><p>Machine learning methods (principal component analysis, support vector regression and partial least squares) are used to calibrate the temperature based on the spectra of Ho3+ upconversion fluorescence in alumofluoride glasses in the wavelength ranges of 505–560 nm and 605–670 nm for the temperature range from 30 to 105°C along with the traditional ratiometric method. Among the methods considered, the best calibration models were obtained by the partial least squares with searching the combination of moving window partial least squares with the fluorescence spectra of 95MgCaSrBaYAl2F14-5Ba(PO3)2:5%Yb3+,0.1%Ho3+ glass. The values of absolute sensitivity of 0.021 K–1 and temperature uncertainty of 0.12 K achieved by machine learning methods significantly exceed the characteristics of the ratiometric method.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>флуоресцентная термометрия</kwd><kwd>метод главных компонент</kwd><kwd>метод частичных наименьших квадратов</kwd><kwd>регрессия на опорные вектора</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fluorescence thermometry</kwd><kwd>principal component analysis</kwd><kwd>partial least squares</kwd><kwd>support vector regression</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при частичной финансовой поддержке мероприятия 3.1 НТП СГ “Компонент Ф” и задания 1.1 ГПНИ “Фотоника и электроника для инноваций”.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Y. Guo, H. Li, R. Pang, D. Li, L. 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