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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">izmertech</journal-id><journal-title-group><journal-title xml:lang="ru">Измерительная техника</journal-title><trans-title-group xml:lang="en"><trans-title>Izmeritel`naya Tekhnika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-1025</issn><issn pub-type="epub">2949-5237</issn><publisher><publisher-name>ФГУП "ВНИИФТРИ"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">izmertech-468</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>МЕХАНИЧЕСКИЕ ИЗМЕРЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MECHANICAL MEASUREMENTS</subject></subj-group></article-categories><title-group><article-title>Оптимизация структуры оптического векторного датчика изгибов и напряжений на основе микроструктурированного волокна с тремя сердцевинами</article-title><trans-title-group xml:lang="en"><trans-title></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>Гончаренко</surname><given-names>И. А.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Марсиньяк</surname><given-names>М. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Конойко</surname><given-names>А. И.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рябцев</surname><given-names>В. Н.</given-names></name></name-alternatives><email xlink:type="simple">v.reabtsev@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Командно-инженерный институт МЧС Республики Беларусь, Минск, РеспубликаБеларусь</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>Национальный институт связи, Варшава, Польша</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-3"><institution>Институт физики Национальной Академии наук Беларуси, Минск, Республика Беларусь</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2013</year></pub-date><pub-date pub-type="epub"><day>07</day><month>02</month><year>2023</year></pub-date><volume>0</volume><issue>1</issue><fpage>45</fpage><lpage>49</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ФГУП "ВНИИФТРИ", 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">ФГУП "ВНИИФТРИ"</copyright-holder><copyright-holder xml:lang="en">ФГУП "ВНИИФТРИ"</copyright-holder><license xlink:href="https://www.izmt.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.izmt.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.izmt.ru/jour/article/view/468">https://www.izmt.ru/jour/article/view/468</self-uri><abstract><p>Предложен оптический датчик с чувствительным элементом в виде микроструктурированного волокна с тремя сердцевинамидля измерений направления, величины и локализации изгибов и напряжения в строительных и инженерных конструкциях. Проанализировано распределение полей мод в сердцевинах волокна в зависимости от его структуры и изгиба. Рассмотрена оптимизация параметров чувствительного элемента датчика.</p></abstract><trans-abstract xml:lang="en"><p>The optical sensor for direction and values measurementsand localization of bends and stresses in building and engineering structures is proposed. The sensitive element of the sensor is the microstructure fiber with three cores. The distribution of mode fields in fiber cores depending on fiber structure and bend is analyzed. The optimization of the sensitive element parameters depending on its application is considered.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>оптический датчик</kwd><kwd>микроструктурированное волокно с несколькими сердцевинами</kwd><kwd>изгиб волокна</kwd><kwd>распределение полей мод</kwd><kwd>метод линий</kwd><kwd>optical sensor</kwd><kwd>microstructured multicore fiber</kwd><kwd>fiber bend</kwd><kwd>mode field distribution</kwd><kwd>method of lines</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">Гуляев Ю.В.и др.Волоконно-оптичеcкие технологии, устройства, датчики и системы // «Фотон-экспресс» – Наука. 2005.№6. С. 114–127.</mixed-citation><mixed-citation xml:lang="en">Гуляев Ю.В.и др.Волоконно-оптичеcкие технологии, устройства, датчики и системы // «Фотон-экспресс» – Наука. 2005.№6. 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