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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 pub-id-type="doi">10.47612/0514-7506-2022-89-1-12-16</article-id><article-id custom-type="elpub" pub-id-type="custom">zhps-964</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>II. МОЛЕКУЛЯРНАЯ СПЕКТРОСКОПИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MOLECULAR SPECTROSCOPY</subject></subj-group></article-categories><title-group><article-title>Флуоресцентная спектроскопия сверхвысокого разрешения при возбуждении атомов импульсным излучением в тонких газовых ячейках</article-title><trans-title-group xml:lang="en"><trans-title>Ultra-High-Resolution Fluorescence Spectroscopy at Excitation of Atoms by Pulsed Radiation in Thin Gas Cells</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>Гасанова</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Gasanova</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Баку</p></bio><bio xml:lang="en"><p>Baku</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>Измайлов</surname><given-names>А. Ч.</given-names></name><name name-style="western" xml:lang="en"><surname>Izmailov</surname><given-names>A. Ch.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Баку</p></bio><bio xml:lang="en"><p>Baku</p></bio><email xlink:type="simple">azizm57@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики НАН Азербайджана</institution></aff><aff xml:lang="en"><institution>Institute of Physics of the National Academy of Sciences of Azerbaijan</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>02</day><month>02</month><year>2022</year></pub-date><volume>89</volume><issue>1</issue><fpage>12</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гасанова А.С., Измайлов А.Ч., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Гасанова А.С., Измайлов А.Ч.</copyright-holder><copyright-holder xml:lang="en">Gasanova A.S., Izmailov A.C.</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/964">https://zhps.ejournal.by/jour/article/view/964</self-uri><abstract><p>Предложен метод внутридоплеровской флуоресцентной спектроскопии, основанный на особенностях сужения с течением времени скоростного распределения оптически возбужденных атомов (молекул) разреженной газовой среды в тонкой ячейке после воздействия достаточно короткого светового импульса. Проанализированы изменения установленных внутридоплеровских резонансов со временем, а также существенная зависимость этих резонансов от размеров газовой ячейки.</p></abstract><trans-abstract xml:lang="en"><p>The method of sub-Doppler fluorescence spectroscopy is proposed, which is based on the features of the narrowing with time of the velocity distribution of optically excited atoms (molecules) of a rarefied gas medium in a thin cell after exposure to a sufficiently short light pulse. Changes in the established sub-Doppler resonances with time as well as the essential dependence of these resonances on dimensions of the gas cell are analyzed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>внутридоплеровские резонансы флуоресценции</kwd><kwd>тонкая газовая ячейка</kwd><kwd>короткий световой импульс</kwd><kwd>спонтанные переходы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>sub-Doppler fluorescence resonances</kwd><kwd>thin gas cell</kwd><kwd>short light pulse</kwd><kwd>spontaneous transitions</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">W. Demtroder. Laser Spectroscopy: Basic Concepts and Instrumentation, Berlin, Springer (2003).</mixed-citation><mixed-citation xml:lang="en">W. Demtroder. 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