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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 pub-id-type="doi">10.32446/0368-1025it.2021-12-56-61</article-id><article-id custom-type="elpub" pub-id-type="custom">izmertech-2021</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>ЭЛЕКТРОМАГНИТНЫЕ ИЗМЕРЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ELECTROMAGNETIC MEASUREMENTS</subject></subj-group></article-categories><title-group><article-title>Измерение напряжённости высокочастотных электрических полей: применение кольцевого волновода с двумя заполненными электрооптическим полимером щелями</article-title><trans-title-group xml:lang="en"><trans-title>Measurement of the intensity of high frequency electric field: application of ring waveguide with two slots filled with electro-optic polymer</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8063-8068</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гончаренко</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Goncharenko</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Игорь Андреевич Гончаренко</p><p>Минск</p></bio><bio xml:lang="en"><p>Igor A. Goncharenko</p><p>Minsk</p></bio><email xlink:type="simple">igor02@tut.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2830-591X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рябцев</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Reabtsev</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виталий Николаевич Рябцев</p><p>Минск</p></bio><bio xml:lang="en"><p>Vitaly N. Reabtsev</p><p>Minsk</p></bio><email xlink:type="simple">v.reabtsev@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Университет гражданской защиты Министерства по чрезвычайным ситуациям Республики Беларусь</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>University of Civil Protection of the Ministry for Emergency Situations of the Republic of Belarus</institution><country>Belarus</country></aff></aff-alternatives><aff xml:lang="en" id="aff-2"><institution>University of Civil Protection of the Ministry for Emergency Situations of the Republic of Belarus</institution><country>Belarus</country></aff><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>29</day><month>09</month><year>2023</year></pub-date><volume>0</volume><issue>12</issue><fpage>56</fpage><lpage>61</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/2021">https://www.izmt.ru/jour/article/view/2021</self-uri><abstract><p>Рассмотрена задача повышения чувствительности измерительного преобразователя высокочастотных внешних электрических полей. Показано, что решить эту задачу можно путём применения кольцевого волновода с двумя горизонтальными или вертикальными щелями, заполненными электрооптическим полимером. Рассмотрена структура измерительного преобразователя кольцевого волновода с двумя горизонтальными или вертикальными щелями. В волноводах с двумя щелями достигается бóльшая интенсивность оптического излучения в области щелей по сравнению с волноводами с одной щелью. Определены значения оптимальных расстояний между щелями и их ширины, при которых достигается максимальная чувствительность измерительного преобразователя. В результате использования активного органического полимера SEO125 и волноводов с двумя щелями рассматриваемый преобразователь позволяет измерять напряжённость переменных электрических полей частотой 0–10 ГГц в диапазоне 150–16·106 В/м с разрешающей способностью до 150 В/м. Измерительный преобразователь можно использовать для детектирования высокочастотных волн, электромагнитных импульсов, а также анализа внешних электромагнитных помех, диагностики высокочастотных электронных схем.</p></abstract><trans-abstract xml:lang="en"><p>The possibility of increasing the sensitivity of measurement transducer of the high frequency external electric field is analyzed. The increasing is possible by using the ring waveguides with two vertical and horizontal slots filled with electro-optic polymer. The structure of the measurement transducer is considered. In waveguides with two slots the intensity of propagating optical radiation in the slot region is higher than in single slot waveguides. The values of optimal slot width and separation are determined, which make it possible to achieve the maximal transducer sensitivity. The measurement transducer allows measuring the alternating electric fields with the frequency from 0 to 10 GHz in the range from 150 to 16·106 V/m with the resolution up to 150 V/m due to using the active organic polymer SEO125 and double slot waveguide. The measurement transducer can be applied for detecting the high-frequency waves electromagnetic pulses, analyses of external electromagnetic interference and diagnosis of high-frequency electronic circuits.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>кольцевой микрорезонатор</kwd><kwd>щелевой волновод</kwd><kwd>измерительный преобразователь</kwd><kwd>электрооптический полимер</kwd><kwd>эффективный показатель преломления</kwd><kwd>напряжённость электрического поля</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ring microresonator</kwd><kwd>slot waveguide</kwd><kwd>measurement transducer</kwd><kwd>electro-optic polymer</kwd><kwd>effective index</kwd><kwd>electric field intensity</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">Bieler M., Hein G., Pierz K., Siegner U., Koch M., Applied Physics Letters, 2005, vol. 87, no. 4, pp. 042102–042104. https://doi.org/10.1063/1.2000333</mixed-citation><mixed-citation xml:lang="en">Bieler M., Hein G., Pierz K., Siegner U., Koch M., Applied Physics Letters, 2005, vol. 87, no. 4, pp. 042102–042104. https://doi.org/10.1063/1.2000333</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Chunyang Han, Fangxing Lv, Chen Sun, and Hui Ding, Optics Letters, 2015, vol. 40, no. 16, pp. 3683–3686. https://doi.org/10.1364/OL.40.003683</mixed-citation><mixed-citation xml:lang="en">Chunyang Han, Fangxing Lv, Chen Sun, and Hui Ding, Optics Letters, 2015, vol. 40, no. 16, pp. 3683–3686. https://doi.org/10.1364/OL.40.003683</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Pfeifer T., Heiliger H.-M., Loffl er T., Ohlhoff C., Meyer C., Lupke G., Roskos H. 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