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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">vestvfu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Северо-Восточного федерального университета имени М. К. Аммосова</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik of North-Eastern Federal University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2222-5404</issn><issn pub-type="epub">2587-5620</issn><publisher><publisher-name>Северо-Восточный федеральный университет имени М.К. Аммосова</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25587/2222-5404-2023-20-4-31-38</article-id><article-id custom-type="elpub" pub-id-type="custom">vestvfu-398</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>ФИЗИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>Численное моделирование распространения волны через сферическую частицу в рамках обобщенной теории Лоренца-Ми</article-title><trans-title-group xml:lang="en"><trans-title>Numerical simulation of wave propagation through a spherical particle within the framework of generalised Lorenz-Mie theory</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>Федоров</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedorov</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Федоров Артур Григорьевич – к. т. н., доцент кафедры теоретической физики ФТИ</p><p>г. Якутск</p></bio><bio xml:lang="en"><p>Fedorov Artur Grigoryevich – Candidate of Technical Sciences, Associate Professor of the Department of Theoretical Physics, Institute of Physics and Technologies</p><p>Yakutsk</p></bio><email xlink:type="simple">g.fedorov@s-vfu.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>Миронов</surname><given-names>М. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Mironov</surname><given-names>M. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Миронов Мичил Петрович – студент 4 курса, группы БА-Ф-19-2 ФТИ</p><p>г. Якутск</p></bio><bio xml:lang="en"><p>Mironov Michil Petrovich – 4th year student, of the Institute of Physics and Technologies</p><p>Yakutsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Северо-Восточный федеральный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>M.K. Ammosov North-Eastern Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>31</day><month>12</month><year>2023</year></pub-date><volume>20</volume><issue>4</issue><fpage>31</fpage><lpage>38</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Федоров А.Г., Миронов М.П., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Федоров А.Г., Миронов М.П.</copyright-holder><copyright-holder xml:lang="en">Fedorov A.G., Mironov M.P.</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://vestvfu.elpub.ru/jour/article/view/398">https://vestvfu.elpub.ru/jour/article/view/398</self-uri><abstract><p>Одним из актуальных направлений применения голографии является измерение/визуализация переходных процессов в многофазных потоках. Одним из недостатков такого подхода ранее являлись регистрация в различных фоточувствительных элементах с последующим его переносом на цифровой формат и восстановление. С развитием цифровых технологий стала возможна прямая регистрация в ПЗС-матрицу интерференционных картин (голографических изображений). Однако и в цифровой голографии существует ряд проблем, требующих решения. К таким проблемам можно отнести алгоритмы восстановления, эффективную обработку данных, разрешение и т. д. В настоящее время численную реализацию восстановления и обработку голографических изображений можно осуществить в рамках классической теории дифракции или с помощью обобщенной теории Лоренца-Ми. Первое подразумевает непрямое решение уравнений Максвелла, т. е. применение принципа Гюйгенса-Френеля. Второй подход подразумевает прямое решение уравнений Максвелла для задачи голографии. В рамках данной работы предлагается численное моделирование голографического изображения полей от сферических частиц на основе обобщенной теории Лоренца-Ми. В рамках данной работы представлена численная реализация моделирования голографических изображений однородной сферы на основе обобщенной теории Лоренца-Ми. Представлен код реализации на языке программирования python. Результаты исследования демонстрируют возможность эффективного использования цифровой голографии для визуализации и анализа сферических объектов.</p></abstract><trans-abstract xml:lang="en"><p>Holography has been widely used for measuring and visualising transients in multiphase flows. Earlier, one of the drawbacks of this approach was the need to register on various photosensitive elements and its subsequent transfer to digital format and restoration. With the development of digital technologies, direct registration of interference patterns (holographic images) into a CCD matrix became possible. However, even in digital holography there are a number of problems that need to be solved. These problems pertain to recovery algorithms, efficient data processing and resolution, among others. Currently, the numerical implementation of the restoration and processing of holographic images can be done within the framework of classical diffraction theory or with the help of generalised Lorenz-Mie theory. The first implies an indirect solution of Maxwell's equations, i.e., application of the Huygens-Fresnel principle. The second approach involves a direct solution of Maxwell's equations for the holographic problem. In the framework of this work, a numerical simulation of holographic imaging of fields from spherical particles based on the generalised Lorenz-Mie theory is proposed. Within the framework of this work, a numerical implementation of modelling of holographic images of a homogeneous sphere based on the generalised Lorenz-Mie theory is presented. The implementation code in the python programming language is presented. The results of the study demonstrate the possibility of effective use of digital holography for visualisation and analysis of spherical objects.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Обобщенная теория Лоренца-Ми</kwd><kwd>осевая голография</kwd><kwd>вектор Пойнтинга</kwd><kwd>принцип Гюйгенса-Френеля</kwd><kwd>интерференционные картины от сферических частиц</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Generalised Lorenz-Mie theory</kwd><kwd>axial holography</kwd><kwd>Poynting vector</kwd><kwd>Huygens-Fresnel principle</kwd><kwd>interference patterns from spherical particles</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">D. Gabor. A new microscope principle // Nature 161. 1948. pp. 777–778.</mixed-citation><mixed-citation xml:lang="en">Gabor D., (1948). A new microscope principle. 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