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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-223</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>СПЕКТРЫ ИЗЛУЧЕНИЯ YAG:Er3+, CaF2:Er3+ и Er2O3  ПРИ ЛАЗЕРНОМ И ЛАЗЕРНО-ТЕРМИЧЕСКОМ ВОЗБУЖДЕНИИ</article-title><trans-title-group xml:lang="en"><trans-title>Er3+:YAG, Er3+:CaF2, and Er2O3 EMISSION SPECTRA UNDER LASER AND LASER THERMAL EXCITATION</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>Марченко</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Marchenko</surname><given-names>V. M.</given-names></name></name-alternatives><email xlink:type="simple">vmarch@kapella.gpi.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт общей физики им. А. М. Прохорова Российской АН</institution></aff><aff xml:lang="en"><institution>A. M. Prokhorov General Physics Institute, Russian Academy of Sciences</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>85</volume><issue>2</issue><fpage>226</fpage><lpage>230</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Марченко В.М., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Марченко В.М.</copyright-holder><copyright-holder xml:lang="en">Marchenko V.M.</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/223">https://zhps.ejournal.by/jour/article/view/223</self-uri><abstract><p>Проведено сравнение экспериментальных спектров люминесценции и узкополосного излучения (УИ) монокристаллов YAG:10 aт.% Er3+ , CaF2:1 aт.% Er3+ и поликристалла Er2O3 при непрерывном лазерном и лазерно-термическом возбуждении мультиплетов электронной оболочки ионов Er3+ . Спектры люминесценции при резонансном возбуждении определяются релаксацией населенности мультиплетов с соответствующими вероятностями излучательных и безызлучательных переходов. Форма спектров УИ определяется термической населенностью мультиплетов и вероятностями только излучательных переходов. Полоса УИ на l » 800 нм (4I9/ 2  →4I15/ 2  ) является индикатором высокотемпературного термического излучения ионов Er3+ . Отсутствие этой полосы в спектрах люминесценции объясняется малым временем жизни уровня t(4I9/ 2  ) = 53 нс при T = 300 К. </p></abstract><trans-abstract xml:lang="en"><p>The experimental spectra of the luminescence and selective emission (SE) of 10 at.%Er3+: YAG and 1 at.%Er3+ :CaF2: single crystals and Er2O3 polycrystal under laser and laser thermal excitation of the multiplets of the Er3+ ion electron shell are compared. Luminescence spectra under resonant excitation are determined by the relaxation of the population of the multiplets with proper radiative and nonradiative probabilities. The form of the SE spectra is determined by the thermal population of the multiplets and the probabilities of radiative transitions. The SE band at λ ≈ 800 nm (4I9/2→4I15/2) is an indicator of the high temperature thermal emission of Er3+ ions. The absence of this band in the luminescence spectra is explained by the small lifetime of the level τ(4I9/ 2  )= 53 ns at T = 300 K. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>лазерная и лазерно-термическая спектроскопия</kwd><kwd>люминесценция</kwd><kwd>узкополосное термическое излучение кристаллов YAG:Er3+</kwd><kwd>CaF2:Er3+ и Er2O</kwd><kwd>laser and laser thermal spectroscopy</kwd><kwd>luminescence</kwd><kwd>selective thermal emission of Er3+:YAG</kwd><kwd>Er3+:CaF2</kwd><kwd>and Er2O3 crystals</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Е. В. Жариков, В. И. Жеков, Л. А. Кулевский, Т. М. Мурина, В. В. Осико, А. М. Прохоров, А. Д. Савельев, В. В. Смирнов, Б. П. Стариков, М. И. Тимошечкин. Квант. электрон., 1 (1974) 1867-1869</mixed-citation><mixed-citation xml:lang="en">Е. В. Жариков, В. И. Жеков, Л. А. Кулевский, Т. М. Мурина, В. В. Осико, А. М. 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