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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">pimi</journal-id><journal-title-group><journal-title xml:lang="ru">Приборы и методы измерений</journal-title><trans-title-group xml:lang="en"><trans-title>Devices and Methods of Measurements</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-9506</issn><issn pub-type="epub">2414-0473</issn><publisher><publisher-name>BNTU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21122/2220-9506-2019-10-4-301-307</article-id><article-id custom-type="elpub" pub-id-type="custom">pimi-498</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>Средства измерений</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Measuring instruments</subject></subj-group></article-categories><title-group><article-title>Непрерывный лазер на кристалле пентабората, соактивированного ионами эрбия и иттербия</article-title><trans-title-group xml:lang="en"><trans-title>Continuous-wave Laser on Er,Yb-Codoped Pentaborate 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>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>Адрес для переписки: К.Н. Горбаченя - Центр оптических материалов и технологий, Белорусский национальный технический университет, пр-т Независимости, 65, г. Минск 220013, Беларусь      e-mail: gorby @bntu.by</p></bio><bio xml:lang="en"><p>Address for correspondence: Gorbachenya K.N. – Center for Optical Materials and Technologies, Belarusian National Technical University, Nezavisimosty Ave., 65, Minsk 220013, Belarus     e-mail: gorby@bntu.by</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>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>Центр оптических материалов и технологий</p><p>пр-т Независимости, 65, Минск 220013</p></bio><bio xml:lang="en"><p>Center for Optical Materials and Technologies</p><p>Nezavisimosty Ave., 65, Minsk 220013, Belarus</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>Дейнека</surname><given-names>Р. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Deineka</surname><given-names>R. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Центр оптических материалов и технологий</p><p>пр-т Независимости, 65, Минск 220013</p></bio><bio xml:lang="en"><p>Center for Optical Materials and Technologies</p><p>Nezavisimosty Ave., 65, Minsk 220013, Belarus</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>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><bio xml:lang="ru"><p>Центр оптических материалов и технологий</p><p>пр-т Независимости, 65, Минск 220013</p></bio><bio xml:lang="en"><p>Center for Optical Materials and Technologies</p><p>Nezavisimosty Ave., 65, Minsk 220013, Belarus</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>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>Центр оптических материалов и технологий</p><p>пр-т Независимости, 65, Минск 220013</p></bio><bio xml:lang="en"><p>Center for Optical Materials and Technologies</p><p>Nezavisimosty Ave., 65, Minsk 220013, Belarus</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>Кафедра кристаллографии и кристаллохимии</p><p>Ленинские горы, 1, Москва 119991</p></bio><bio xml:lang="en"><p>Department of Crystallography and Crystal Chemistry</p><p>119992 GSP-2 Moscow</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>Кафедра кристаллографии и кристаллохимии</p><p>Ленинские горы, 1, Москва 119991</p></bio><bio xml:lang="en"><p>Department of Crystallography and Crystal Chemistry</p><p>119992 GSP-2 Moscow</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>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>Кафедра кристаллографии и кристаллохимии</p><p>Ленинские горы, 1, Москва 119991</p></bio><bio xml:lang="en"><p>Department of Crystallography and Crystal Chemistry</p><p>119992 GSP-2 Moscow</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>Леонюк</surname><given-names>Н. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Leonyuk</surname><given-names>N. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кафедра кристаллографии и кристаллохимии</p><p>Ленинские горы, 1, Москва 119991</p></bio><bio xml:lang="en"><p>Department of Crystallography and Crystal Chemistry</p><p>119992 GSP-2 Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский национальный технический университет</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Belarusian National Technical University</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>12</day><month>12</month><year>2019</year></pub-date><volume>10</volume><issue>4</issue><fpage>301</fpage><lpage>307</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Горбаченя К.Н., Кисель В.Э., Дейнека Р.В., Ясюкевич А.С., Кулешов Н.В., Мальцев В.В., Митина Д.Д., Волкова Е.А., Леонюк Н.И., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Горбаченя К.Н., Кисель В.Э., Дейнека Р.В., Ясюкевич А.С., Кулешов Н.В., Мальцев В.В., Митина Д.Д., Волкова Е.А., Леонюк Н.И.</copyright-holder><copyright-holder xml:lang="en">Gorbachenya K.N., Kisel V.E., Deineka R.V., Yasukevich A.S., Kuleshov N.V., Maltsev V.V., Mitina D.D., Volkova E.A., Leonyuk N.I.</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://pimi.bntu.by/jour/article/view/498">https://pimi.bntu.by/jour/article/view/498</self-uri><abstract><p>Впервые сообщается о непрерывном лазере на кристалле Er,Yb:YMgB5O10 с диодной накачкой. Изучены условия синтеза кристаллов, спектры поглощения и люминесценции, кинетики затухания люминесценции. Определена эффективность переноса энергии от ионов иттербия к ионам эрбия. Определены выходные характеристики (выходная мощность, дифференциальный КПД, длина волны генерации) лазера на основе кристалла Er3+,Yb3+:YMgB5O10.</p><p>В спектрах поглощения в области 1 мкм наблюдаются две интенсивные полосы поглощения с пиками на длинах волн 937 нм и 976 нм. Максимальное поперечное сечение поглощения достигает 1.5·10–20 cм2 на длине волны 976 нм для поляризации E//Ng. В спектре поглощения в спектральной области 1425–1575 нм наблюдается набор узких полос поглощения. Измеренное время жизни верхнего уровня 4I13/2  ионов Er3+ составило 390 ± 20 мкс. Эффективность переноса энергии от ионов иттербия к ионам эрбия для кристалла Er(2 ат.%),Yb(11 ат.%):YMgB5O10 достигала 84 %. Максимальная выходная мощность лазерной генерации на длине волны 1570 нм составила 0,2 Вт при дифференциальном КПД 8 %.</p><p>Благодаря высокой теплопроводности (≈ 6.2 Вт·м–1·K–1) кристалла Er,Yb:YMgB5O10 , он может быть с успехом использован в качестве активной среды для лазеров дальномерных систем и ЛИДАРов.</p></abstract><trans-abstract xml:lang="en"><p>We report, for the first time to our knowledge, a diode-pumped continuous-wave microchip Er,Yb:YMgB5O10 laser. The purpose of this work was to study the growth technique, spectroscopic properties and continuous-wave laser performance of Er3+,Yb3+:YMgB5O10 novel crystal.</p><p> Absorption and luminescence spectra as well as kinetics of luminescence decay were studied. Ytterbium-erbium energy transfer efficiency was determined. The output characteristics (output power, slope efficiency, laser wavelength) of Er3+,Yb3+:YMgB5O10 laser were determined.</p><p>Two intensive absorption bands with peaks centered at 937 nm and 976 nm were observed in the absorption spectra at the wavelength near 1 μm. The maximum value of absorption cross-section was determined to be 1.5·10–20 cm2 at 976 nm for polarization E//Ng . A number of narrow lines were observed in the absorption spectra in the 1425–1575 nm spectral range (transition 4I15/2 → 4I13/2 of erbium ions). The lifetime of the upper laser level 4I13/2 of Er3+ ions was determined to be 390 ± 20 μs. The ytterbium-erbium energy transfer efficiency for YMgB5O10 crystal with 2 at.% of Er3+ and 11 at.% for Yb3+ was close to 84 %. The maximal continuous-wave output power of 0.2 W with slope efficiency of 8 % regarding to absorbed pump power was realized at the wavelength of 1570 nm. With the improvement of cavity parameters the output laser performance of the Er,Yb:YMgB5O10 crystal can be further enhanced.</p><p>Taking into account high thermal conductivity of ≈ 6.2 W·m–1·K–1, the Er,Yb:YMgB5O10 crystal can be considered as a good gain medium for 1.5 μm lasers for applications in laser rangefinder and LIDAR systems.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>эрбий</kwd><kwd>иттербий</kwd><kwd>бораты</kwd><kwd>спектроскопические исследования</kwd><kwd>диодная накачка</kwd><kwd>непрерывная лазерная генерация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>erbium</kwd><kwd>ytterbium</kwd><kwd>borate crystals</kwd><kwd>spectroscopy</kwd><kwd>diode-pumped</kwd><kwd>continuous-wave laser operation</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This research was supported by Russian Science Foundation grant (project No. 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">Karlsson G., Laurell F., Tellefsen J., Denker B., Galagan B., Osiko V., Sverchkov S. 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