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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">10.21122/2220-9506-2016-7-1-24-31</article-id><article-id custom-type="elpub" pub-id-type="custom">pimi-237</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>ПРИБОР ДЛЯ ИЗМЕРЕНИЯ ВРЕМЕНИ РЕЛАКСАЦИИ ПРОСВЕТЛЕННОГО СОСТОЯНИЯ ОПТИЧЕСКИХ МАТЕРИАЛОВ МЕТОДОМ «ВОЗБУЖДЕНИЕ-ЗОНДИРОВАНИЕ» В СУБМИКРОСЕКУНДНОМ ДИАПАЗОНЕ</article-title><trans-title-group xml:lang="en"><trans-title>DEVICE FOR MEASURMENT OF RELAXATION TIME OF THE BLEACHED STATE OF OPTICAL MATERIALS BY THE «PUMP-PROBE» METHOD IN SUB-ΜS TIME DOMAIN</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>Глазунов</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Glazunov</surname><given-names>I. V.</given-names></name></name-alternatives><email xlink:type="simple">malyar@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>Скопцов</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Skoptsov</surname><given-names>N. A.</given-names></name></name-alternatives><email xlink:type="simple">malyar@bntu.by</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>Маляревич</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Malyarevich</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Адрес для переписки: Маляревич А.М. Белорусский национальный технический университет, пр. Независимости, 65, 220013, г. Минск, Беларусь e-mail: malyar@bntu.by</p></bio><bio xml:lang="en"><p>Address for correspondence: Malyarevich A.M. Belarusian National Technical University, Nezavisimosty Ave., 65, 220013, Minsk, Belarus e-mail: malyar@bntu.by</p></bio><email xlink:type="simple">malyar@bntu.by</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>Юмашев</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yumashev</surname><given-names>K. V.</given-names></name></name-alternatives><email xlink:type="simple">malyar@bntu.by</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>Лойко</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Loiko</surname><given-names>P. A.</given-names></name></name-alternatives><email xlink:type="simple">malyar@bntu.by</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff xml:lang="en" id="aff-1"><institution>Belarusian National Technical University</institution><country>Belarus</country></aff><aff-alternatives id="aff-2"><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-3"><aff xml:lang="ru"><institution>Королевский технологический институт, Шиста</institution><country>Швеция</country></aff><aff xml:lang="en"><institution>KTH – Royal Institute of Technology, SE-16440 Kista</institution><country>Sweden</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>06</day><month>06</month><year>2016</year></pub-date><volume>7</volume><issue>1</issue><fpage>24</fpage><lpage>31</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Глазунов И.В., Скопцов Н.А., Маляревич А.М., Юмашев К.В., Лойко П.А., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Глазунов И.В., Скопцов Н.А., Маляревич А.М., Юмашев К.В., Лойко П.А.</copyright-holder><copyright-holder xml:lang="en">Glazunov I.V., Skoptsov N.A., Malyarevich A.M., Yumashev K.V., Loiko P.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://pimi.bntu.by/jour/article/view/237">https://pimi.bntu.by/jour/article/view/237</self-uri><abstract><p>Применение пассивных затворов для управления длительностью импульсов оптического излучения является актуальной задачей в миниатюрных и микрочип лазерах. Одной из ключевых спектроскопических характеристик, определяющих свойства материала, который может быть использован в качестве пассивного затвора, является время релаксации его просветленного состояния. В статье описан прибор для измерения времени релаксации просветленного состояния оптических материалов методом «возбуждение-зондирование» в субмикросекундном временном диапазоне. Представлены его структура и характеристики. Прибор позволяет измерять времена релаксации просветления у материалов, поглощающих на длине волны 1,5 мкм, т.е., в частности, у сред, легированных ионами кобальта Co2+. Приведены результаты тестовых испытаний прибора, а также измерено время релаксации просветленного состояния нового материала – ситалла с кристаллической фазой Co2+:Ga2 O3 – оно составило 190 ± 6 нс. </p></abstract><trans-abstract xml:lang="en"><p>The use of passive shutters to control the duration of the light pulses is an important aspect in the miniature and microchip lasers. One of the key spectroscopic characteristics which determine the properties of the material, which can be used as a passive shutter is relaxation time of its bleached state.We describe a device for determination of relaxation time of the bleached state in optical materials by the «pump-probe» method in the sub-μs time domain. This device allows one to determine relaxation times for materials which absorb at the light wavelength of 1.5 μm, e.g., materials doped with cobalt ions Co2+. The results of test examinations of the device are described, and the relaxation time of the bleached state of Co2+ ions is measured for a novel material – transparent glass-ceramics with Co2+:Ga2 O3 nanophase – amounting to 190 ± 6 ns. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>время релаксации просветленного состояния</kwd><kwd>метод «возбуждение-зондирование»</kwd><kwd>ионы кобальта</kwd><kwd>ситалл</kwd><kwd>оксид галлия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>relaxation time of the bleached state</kwd><kwd>«pump-probe» method</kwd><kwd>cobalt ions</kwd><kwd>glass-ceramics</kwd><kwd>gallium oxide</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">Пилипович, В.А. Оптические квантовые генераторы с просветляющимися фильтрами / В.А. Пилипович, А.А. 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