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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">omna</journal-id><journal-title-group><journal-title xml:lang="ru">Омский научный вестник</journal-title><trans-title-group xml:lang="en"><trans-title>Omsk Scientific Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1813-8225</issn><issn pub-type="epub">2541-7541</issn><publisher><publisher-name>Омский государственный технический университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25206/1813-8225-2024-190-107-116</article-id><article-id custom-type="edn" pub-id-type="custom">XDUAQS</article-id><article-id custom-type="elpub" pub-id-type="custom">omna-268</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>ЭЛЕКТРОНИКА, ФОТОНИКА, ПРИБОРОСТРОЕНИЕ И СВЯЗЬ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ELECTRONICS, PHOTONICS, APPLIANCE AND COMMUNICATIONS</subject></subj-group></article-categories><title-group><article-title>Определение разновидностей оптических волокон и ранняя диагностика их физического состояния на основе анализа характеристик рассеяния Мандельштама–Бриллюэна</article-title><trans-title-group xml:lang="en"><trans-title>Determination of optical fiber varieties and early diagnosis of their physical condition based on the analysis of Mandelstam — Brillouin backscatter parameters</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7019-1784</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Богачков</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bogachkov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Богачков Игорь Викторович, доктор технических наук, доцент, профессор кафедры «Средства связи и информационная безопасность»</p><p>AuthorID (РИНЦ) 276415</p><p>AuthorID (SCOPUS) 3699775670</p><p>ResearcherID: A-7770-2015</p><p>г. Омск </p></bio><bio xml:lang="en"><p>Bogachkov Igor Viktorovich, Doctor of Technical Sciences, Associate Professor, Professor of Communications and Information Security Department</p><p>AuthorID (RSCI): 276415</p><p>AuthorID (SCOPUS) 3699775670</p><p>ResearcherID: A-7770-2015</p><p>Omsk </p></bio><email xlink:type="simple">bogachkov@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Омский государственный технический университет<country>Россия</country></aff><aff xml:lang="en">Omsk State Technical University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2024</year></pub-date><volume>10</volume><issue>2</issue><fpage>107</fpage><lpage>116</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Богачков И.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Богачков И.В.</copyright-holder><copyright-holder xml:lang="en">Bogachkov I.V.</copyright-holder><license 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://onv.omgtu.ru/jour/article/view/268">https://onv.omgtu.ru/jour/article/view/268</self-uri><abstract><p>В этой работе представлены результаты исследований возможностей автоматизации обработки данных измерений, полученных от бриллюэновского оптического рефлектометра, световодов, содержащих различные виды одномодовых оптических волокон. Анализируя параметры рассеяния Мандельштама–Бриллюэна, полученных из данных бриллюэновских рефлектограмм, возможно осуществлять классификацию оптических волокон в исследуемых оптических кабелях телекоммуникационных систем, а также оценивать изменение бриллюэновского частотного сдвига и определять степень продольного натяжения оптических волокон. Начальные значения бриллюэновского частотного сдвига и спектр рассеяния Мандельштама–Бриллюэна для каждой разновидности оптических волокон отличаются. Представлены разработанные программы для автоматизированной обработки бриллюэновских рефлектограмм. C помощью анализа уровня обратно отражённого сигнала можно выделить фактор, оказавший преимущественное влияние на параметры сигнала рассеяния Мандельштама–Бриллюэна в исследуемых участках оптических волокон, и компенсировать влияние температурных изменений в графиках распределения продольного натяжения. Это позволяет построить график распределения продольного натяжения вдоль световода, вызванного именно механическими воздействиями на оптические волокна. Сделаны выводы о точности оценок, полученных по различным алгоритмам, на основании накопленного опыта по работе с представленными программами.</p></abstract><trans-abstract xml:lang="en"><p>Research results into the automating the processing of measurement data obtained from the Brillouin optical reflectometer, light guides containing various types of optical fibers are presented in this paper. By analyzing the parameters of the Mandelstam — Brillouin scatter obtained from Brillouin reflectograms, we can classify optical fibers in the studied telecommunication optical cables. This makes it possible to evaluate the change of the Brillouin frequency shift and determine the longitudinal fiber tension. The initial values of the Brillouin frequency shift and the profile of the Mandelstam — Brillouin scatter spectrum are different for each fiber type. The programs for automated processing of Brillouin reflectogram data are discussed. Estimation of the level of the back-reflected signal allows you to identify the factor, that had a predominant effect on the parameters of the Mandelstam — Brillouin scatter signal in the studied sections of optical fibers, and to compensate for the influence of temperature changes in the longitudinal strain distribution graphs. After that, we can plot a graph of the distribution of longitudinal strain along the fiber, caused precisely by mechanical influences on optical fibers. Conclusions about the accuracy of the estimates obtained by various algorithms, based on the accumulated experience in working with the presented programs are drawn.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>оптическое волокно</kwd><kwd>натяжение волокон</kwd><kwd>бриллюэновская рефлектометрия</kwd><kwd>спектр рассеяния Мандельштама–Бриллюэна</kwd><kwd>профиль бриллюэновского спектра</kwd></kwd-group><kwd-group xml:lang="en"><kwd>optical fiber</kwd><kwd>fiber strain</kwd><kwd>Brillouin reflectometry</kwd><kwd>Mandelstam – Brillouin backscatter spectrum</kwd><kwd>Brillouin spectrum profile</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">Bogachkov I. V., Gorlov N. I. Determination of the Mandelstam–Brillouin scatter frequency characteristic in optical fibers of various types // Journal of Physics. 2022. Vol. 2182. P. 1–9. 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В. № 2019666447/69; заявл. 13.12.2019; опубл. 23.12.2019.</mixed-citation><mixed-citation xml:lang="en">Programma dlya vyyavleniya tipa vozdeystviya na opticheskiye volokna i opredeleniya ikh natyazheniya: cvidetel′stvo o gosudarstvennoy registratsii programmy dlya EVM № 2019667360 [A program for identifying the type of impact on optical fibers and determining their tension: Certificate of the state computer program registration No. 2019667360] / Bogachkov I. V. No. 2019666447/69; filed 13.12.2019; published 23.12.2019. (In Russ.).</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
