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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">10.47612/0514-7506-2022-89-1-125-128</article-id><article-id custom-type="elpub" pub-id-type="custom">zhps-979</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>Характеристики аналитического резонатора лазерного спектрометра для измерения слабого поглощения</article-title><trans-title-group xml:lang="en"><trans-title>Characteristics of the Analytical Resonator of a Weak Absorption Spectrometer</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>Вохник</surname><given-names>О. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Vokhnik</surname><given-names>O. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</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>Короленко</surname><given-names>П. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Korolenko</surname><given-names>P. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">pvkorolenko@rambler.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>Кубанов</surname><given-names>Р. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Kubanov</surname><given-names>R. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный университет имени М. В. Ломоносова</institution></aff><aff xml:lang="en"><institution>M. V. Lomonosov Moscow State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Московский государственный университет имени М. В. Ломоносова; Физический институт им. П. Н. Лебедева Российской АН</institution></aff><aff xml:lang="en"><institution>M. V. Lomonosov Moscow State University; P. N. Lebedev Physical Institute of the Russian Academy of Sciences</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>03</day><month>02</month><year>2022</year></pub-date><volume>89</volume><issue>1</issue><fpage>125</fpage><lpage>128</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Вохник О.М., Короленко П.В., Кубанов Р.Т., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Вохник О.М., Короленко П.В., Кубанов Р.Т.</copyright-holder><copyright-holder xml:lang="en">Vokhnik O.M., Korolenko P.V., Kubanov R.T.</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/979">https://zhps.ejournal.by/jour/article/view/979</self-uri><abstract><p>Рассмотрены характеристики спектрометра для измерения слабого поглощения, состоящего из перестраиваемого по частоте диодного лазера и внешнего аналитического резонатора. Показано, каким образом параметры резонатора и скорость перестройки частоты влияют на чувствительность спектрометра и воспроизведение формы и ширины регистрируемой линии.</p></abstract><trans-abstract xml:lang="en"><p>The characteristics of a weak absorption spectrometer consisting of a frequency-tunable diode laser and an external analytical resonator are considered. It is shown how the resonator parameters and the frequency tuning rate affect the sensitivity of the spectrometer and the reproduction of the shape and width of the recorded line.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>оптический резонатор</kwd><kwd>спектрометр</kwd><kwd>лазер с перестраиваемой частотой</kwd><kwd>качество спектральных измерений</kwd></kwd-group><kwd-group xml:lang="en"><kwd>optical resonator</kwd><kwd>spectrometer</kwd><kwd>tunable frequency laser</kwd><kwd>quality of spectral measurements</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при содействии Российского фонда фундаментальных исследований (проект № 19-02-00540).</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">T. Zhang, G. Zhang, X. Liu, G. Gao, T. Cai. 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