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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">npe</journal-id><journal-title-group><journal-title xml:lang="ru">Ядерная физика и инжиниринг</journal-title><trans-title-group xml:lang="en"><trans-title>Nuclear Physics and Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-5629</issn><issn pub-type="epub">2079-5637</issn><publisher><publisher-name>МИФИ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.56304/S2079562922050475</article-id><article-id custom-type="elpub" pub-id-type="custom">npe-175</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>Взаимодействие плазмы, пучков частиц и излучения с веществом</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Interaction of Plasma, Particle Beams and Radiation with Matter</subject></subj-group></article-categories><title-group><article-title>Определение диаметра и глубины кратеров абляции вещества при наносекундных лазерных импульсах с использованием компьютерного моделирования</article-title><trans-title-group xml:lang="en"><trans-title>Determination of the Diameter and Depth Of Substance Ablation Craters during Nanosecond Laser Pulses Using Computer Modeling</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>Щекин</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Shchekin</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва, 115409;</p><p>Фрязино, 141195</p></bio><bio xml:lang="en"><p>Moscow, 115409;</p><p>Fryazino, 14119</p></bio><email xlink:type="simple">alex-shekin@yandex.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>Петровский</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrovskiy</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва, 115409</p></bio><bio xml:lang="en"><p>Moscow, 115409</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гавриков</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gavrikov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва, 115409;</p><p>Фрязино, 141195</p></bio><bio xml:lang="en"><p>Moscow, 115409;</p><p>Fryazino, 14119</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>Марин</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Marin</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва, 115409</p></bio><bio xml:lang="en"><p>Moscow, 115409</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва, 115409</p></bio><bio xml:lang="en"><p>Moscow, 115409</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский ядерный университет “МИФИ”;&#13;
ООО НТО “ИРЭ-Полюс”</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Nuclear University MEPhI (Moscow Engineering Physics Institute);&#13;
IPG IRE-Polus</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный исследовательский ядерный университет “МИФИ”</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)</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>14</volume><issue>3</issue><fpage>303</fpage><lpage>310</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Щекин А.С., Петровский В.Н., Гавриков А.А., Марин Д.В., Иванов А.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Щекин А.С., Петровский В.Н., Гавриков А.А., Марин Д.В., Иванов А.А.</copyright-holder><copyright-holder xml:lang="en">Shchekin A.S., Petrovskiy V.N., Gavrikov A.A., Marin D.V., Ivanov A.A.</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://npe.elpub.ru/jour/article/view/175">https://npe.elpub.ru/jour/article/view/175</self-uri><abstract><p>В работе представлено построение компьютерной модели формирования кратеров при наносекундном лазерном испарении вещества на примере монокристаллического кремния. При помощи компьютерного моделирования определена динамика формирования кратера на поверхности материала при воздействии наносекундных лазерных импульсов. Проведена оценка диаметра получаемого кратера и его глубина. Также были проведены соответствующие эксперименты по лазерной абляции монокристаллического кремния. Анализ экспериментальный данных и результатов моделирования показал, что в зависимости от длительности импульса и плотности энергии лазерного излучения изменяется механизм удаления материала. Так, наличие жидкой фазы в процессе абляции серьезным образом влияет на глубину и диаметр кратера для всего диапазона плотностей энергии от 0.4 до 104.0 Дж/см2 . Показано, что компьютерная модель позволяет определить объем удаляемого материала за счет испарения и оценить влияние жидкой фазы на характеристики кратеров.</p></abstract><trans-abstract xml:lang="en"><p>This paper presents the construction of a computer model of crater formation during nanosecond laser evaporation of matter by the example of monocrystalline silicon. The computer simulation is used to determine the dynamics of crater formation on the material surface when exposed to nanosecond laser pulses. The diameter of the obtained crater and its depth were evaluated. The corresponding experiments on laser ablation of monocrystalline silicon were also carried out. The analysis of experimental data and simulation results showed that depending on the pulse duration and energy density of laser radiation the mechanism of material removal changes. Thus, the presence of the liquid phase in the ablation process seriously affects the depth and diameter of the crater for the entire range of energy densities from 0.4 to 104.0 J/cm2 . It is shown that a computer model can determine the volume of removed material due to evaporation and evaluate the effect of the liquid phase on crater characteristics.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>компьютерное моделирование</kwd><kwd>лазерная абляция</kwd><kwd>лазерная обработка</kwd></kwd-group><kwd-group xml:lang="en"><kwd>computer modeling</kwd><kwd>laser ablation</kwd><kwd>laser processing</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">Borghi A. et al. // Wear. 2008. V. 265 (7–8). P. 1046.</mixed-citation><mixed-citation xml:lang="en">Borghi A. et al. // Wear. 2008. V. 265 (7–8). 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