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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-726</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>Спектрально-люминесцентные свойства кристаллов иттрий-магниевого пентабората, легированных ионами Er3+  и Yb3+</article-title><trans-title-group xml:lang="en"><trans-title>Spectral-luminescent properties of yttrium-magnesium pentaborate crystals co-doped with Er3+ and Yb3+</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>Горбаченя</surname><given-names>К. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorbachenya</surname><given-names>K. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>220013, Минск.</p></bio><bio xml:lang="en"><p>Minsk, 220013.</p></bio><email xlink:type="simple">gorby@bntu.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вилейшикова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vilejshikova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>220013, Минск.</p></bio><bio xml:lang="en"><p>Minsk, 220013.</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>Кисель</surname><given-names>В. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Kisel</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>220013, Минск.</p></bio><bio xml:lang="en"><p>Minsk, 220013.</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>Мальцев</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Maltsev</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119234, Москва.</p></bio><bio xml:lang="en"><p>Moscow, 119234.</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>Митина</surname><given-names>Д. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Mitina</surname><given-names>D. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119234, Москва.</p></bio><bio xml:lang="en"><p>Moscow, 119234.</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>Копорулина</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Koporulina</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119234, Москва; 111020, Москва.</p></bio><bio xml:lang="en"><p>Moscow, 119234; Moscow, 111020.</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>Волкова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Volkova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119234, Москва.</p></bio><bio xml:lang="en"><p>Moscow, 119234.</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>Кулешов</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuleshov</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>220013, Минск.</p></bio><bio xml:lang="en"><p>Minsk, 220013.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский центр оптических материалов и технологий Белорусского национального технического университета</institution></aff><aff xml:lang="en"><institution>Center for Optical Materials and Technologies of Belarusian National Technical University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова</institution></aff><aff xml:lang="en"><institution>M.V. Lomonosov Moscow State University</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова; Институт проблем комплексного освоения недр им. академика Н.В. Мельникова Российской АН</institution></aff><aff xml:lang="en"><institution>M.V. Lomonosov Moscow State University; Melnikov Research Institute of Comprehensive Exploitation of Mineral Resources of the Russian Academy of Sciences</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>27</day><month>11</month><year>2020</year></pub-date><volume>87</volume><issue>6</issue><fpage>911</fpage><lpage>917</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Горбаченя К.Н., Вилейшикова Е.В., Кисель В.Э., Мальцев В.В., Митина Д.Д., Копорулина Е.В., Волкова Е.А., Кулешов Н.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Горбаченя К.Н., Вилейшикова Е.В., Кисель В.Э., Мальцев В.В., Митина Д.Д., Копорулина Е.В., Волкова Е.А., Кулешов Н.В.</copyright-holder><copyright-holder xml:lang="en">Gorbachenya K.N., Vilejshikova E.V., Kisel V.E., Maltsev V.V., Mitina D.D., Koporulina E.V., Volkova E.A., Kuleshov N.V.</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/726">https://zhps.ejournal.by/jour/article/view/726</self-uri><abstract><p>Исследованы спектрально-люминесцентные свойства кристаллов иттрий-магниевого пентабората, легированных ионами Er3+ и Yb3+. Определены спектры поперечных сечений поглощения и стимулированного испускания в поляризованном свете. Измерены времена жизни энергетических уровней 4I13/2 иона эрбия и 2F5/2 иона иттербия. Проведена оценка эффективности переноса энергии от ионов иттебрия к ионам эрбия. В рамках стандартной теории Джадда-Офельта рассчитаны силы линий абсорбционных и излучательных переходов, что позволило определить радиационное время жизни возбужденных уровней иона Er3+, а также коэффициенты ветвления люминесценции.</p></abstract><trans-abstract xml:lang="en"><p>The spectral-luminescent properties of Er3+,Yb3+:YMgB5O10 were investigated. The spectra of the crosssection of absorption and stimulated emission in polarized light were determined. The lifetimes of the erbuim 4I13/2 and ytterbium 2F5/2 energy levels were measured. The Yb3+→Er3+ energy transfer efficiency was estimated. Within the framework of the conventional Judd-Ofelt theory the strengths of absorption and emission transitions were calculated, which gave an opportunity to determine the lifetime of the Er3+ excited energy levels as well as the luminescence branching ratios.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>эрбий</kwd><kwd>иттербий</kwd><kwd>иттрий-магниевый пентаборат</kwd><kwd>спектрально-люминесцентные свойства</kwd></kwd-group><kwd-group xml:lang="en"><kwd>erbium</kwd><kwd>ytterbium</kwd><kwd>yttrium-magnesium pentaborate crystals</kwd><kwd>spectral-luminescent properties</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Российского научного фонда (грант № 19-12-00235).</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">К. Н. Горбаченя, В. Э. Кисель, А. С. Ясюкевич, В. Н. Матросов, Н. А. 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