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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-391</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>ПОПЕРЕЧНЫЕ СЕЧЕНИЯ, ИНТЕНСИВНОСТИ ПЕРЕХОДОВ И ЛАЗЕРНАЯ ГЕНЕРАЦИЯ НА ПЕРЕХОДЕ3Р1→3Н5 В КРИСТАЛЛЕ LiY0.3Lu0.7F4:Pr3+</article-title><trans-title-group xml:lang="en"><trans-title>CROSS SECTIONS, TRANSITION INTENSITY, AND LASER GENERATION AT THE3Р1→3Н5 TRANSITION OF Pr3+:LiY0.3Lu0.7F4 CRYSTAL</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>Низамутдинов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Nizamutdinov</surname><given-names>A. S.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Морозов</surname><given-names>О. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Morozov</surname><given-names>O. S.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Кораблева</surname><given-names>С. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Korableva</surname><given-names>S. L.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Семашко</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Semashko</surname><given-names>V. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Дунина</surname><given-names>Е. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Dunina</surname><given-names>E. B.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Корниенко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kornienko</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Демеш</surname><given-names>М. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Demesh</surname><given-names>M. P.</given-names></name></name-alternatives><email xlink:type="simple">maxim.demesh@bntu.by</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гусакова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gusakova</surname><given-names>N. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ясюкевич</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Yasukevich</surname><given-names>A. S.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></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><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></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><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики, Казанский федеральный университет, Казань, Россия</institution></aff><aff xml:lang="en"><institution>Institute of Physics, Kazan Federal University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Витебский государственный технологический университет</institution></aff><aff xml:lang="en"><institution>Vitebsk State Technological University</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>НИЦ оптических материалов и технологий БНТУ</institution></aff><aff xml:lang="en"><institution>Center for Optical Materials and Technologies, Belarusian National Technical University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>86</volume><issue>2</issue><fpage>203</fpage><lpage>209</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Низамутдинов А.С., Морозов О.С., Кораблева С.Л., Семашко В.В., Дунина Е.Б., Корниенко А.А., Демеш М.П., Гусакова Н.В., Ясюкевич А.С., Кисель В.Э., Кулешов Н.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Низамутдинов А.С., Морозов О.С., Кораблева С.Л., Семашко В.В., Дунина Е.Б., Корниенко А.А., Демеш М.П., Гусакова Н.В., Ясюкевич А.С., Кисель В.Э., Кулешов Н.В.</copyright-holder><copyright-holder xml:lang="en">Nizamutdinov A.S., Morozov O.S., Korableva S.L., Semashko V.V., Dunina E.B., Kornienko A.A., Demesh M.P., Gusakova N.V., Yasukevich A.S., Kisel V.E., 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/391">https://zhps.ejournal.by/jour/article/view/391</self-uri><abstract><p>Детально исследованы лазерно-спектроскопические свойства кристалла LiY0.3Lu0.7F4:Pr3+ , выращенного методом Бриджмена-Стокбаргера. Зарегистрированы спектры поглощения и люминесценции в поляризованном свете, определено время жизни возбужденных состояний3PJ. Интенсивности переходов в поглощении и испускании рассчитаны в соответствии с теорией интенсивностей f-f-переходов с учетом межконфигурационного взаимодействия. Поперечные сечения стимулированного испускания определены по методу Фюхтбауэра-Ладенбурга. При накачке излучением лазерного InGaN-диода получена непрерывная генерация на l = 522.6 нм (3Р1-3Н5) для кристаллов смешанных фторидов, активированных празеодимом, с максимальной выходной мощностью 0.38 Вт и дифференциальной эффективностью 19 %.</p></abstract><trans-abstract xml:lang="en"><p>A crystal of LiY0.3Lu0.7F4 doped with Pr3+ ions was grown by the Bridgman-Stockbarger method and its spectroscopic properties were investigated in detail. The absorption and luminescence spectra of the polarized light were measured, and the lifetime of excited states of3PJ is determined. Transition intensities in the absorption and emission were calculated in accordance with the theory of the f-f-transition intensity taking into account the interconfigurational interaction. Cross sections of stimulated emission were found by Füchtbauer-Ladenburg method. Under InGaN laser diode pumping the continuous wave laser generation at 522.6 nm (3Р1-3Н5) was demonstrated for a Pr-doped mixed fluoride crystals. A maximum output power of 0.38 W and a slope efﬁciency of 19% were achieved.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>празеодим</kwd><kwd>смешанные фториды</kwd><kwd>поглощение</kwd><kwd>люминесценция</kwd><kwd>лазер видимого диапазона</kwd><kwd>praseodymium</kwd><kwd>mixed fluoride</kwd><kwd>absorption</kwd><kwd>fluorescence</kwd><kwd>visible laser</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">С. Kränkel, D.-T. Marzahl, F. Moglia, G. Huber, P. 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