<article 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" article-type="research-article" dtd-version="1.2" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">Journal of Experimental and Theoretical Physics</journal-id><journal-title-group><journal-title>Journal of Experimental and Theoretical Physics</journal-title></journal-title-group><issn publication-format="print">0044-4510</issn><issn publication-format="electronic">3034-641X</issn><publisher><publisher-name>Russian Academy of Science</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31857/S0044451023120027</article-id><title-group><article-title>Determination of the Strain Tensor and the Elastic Stress Fields in a Diamond Plate with a High Bending Curvature Using Local Laue Diffraction Data</article-title><trans-title-group xml:lang="ru"><trans-title>Определение тензора деформаций и полей упругих напряжений в алмазной пластине с большой кривизной изгиба на основе данных локального дифракционного метода Лауэ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid"></contrib-id><name-alternatives><name xml:lang="en"><surname>Digurov</surname><given-names>R. V.</given-names></name><name xml:lang="ru"><surname>Дигуров</surname><given-names>Р. В. </given-names></name></name-alternatives><email>digurov_r_v_noemail@ras.ru</email><xref ref-type="aff" rid="aff-1"></xref><xref ref-type="aff" rid="aff-2"></xref></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid"></contrib-id><name-alternatives><name xml:lang="en"><surname>Blank</surname><given-names>V. D.</given-names></name><name xml:lang="ru"><surname>Бланк</surname><given-names>В. Д. </given-names></name></name-alternatives><email>blank_v_d_noemail@ras.ru</email><xref ref-type="aff" rid="aff-3"></xref></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid"></contrib-id><name-alternatives><name xml:lang="en"><surname>Denisov</surname><given-names>V. N.</given-names></name><name xml:lang="ru"><surname>Денисов</surname><given-names>В. Н. </given-names></name></name-alternatives><email>denisov_v_n_noemail@ras.ru</email><xref ref-type="aff" rid="aff-5"></xref></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid"></contrib-id><name-alternatives><name xml:lang="en"><surname>Martyushov</surname><given-names>S. Yu.</given-names></name><name xml:lang="ru"><surname>Мартюшов</surname><given-names>С. Ю. </given-names></name></name-alternatives><email>martyushov_s_yu_noemail@ras.ru</email><xref ref-type="aff" rid="aff-7"></xref></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid"></contrib-id><name-alternatives><name xml:lang="en"><surname>Sorokin</surname><given-names>B. P.</given-names></name><name xml:lang="ru"><surname>Сорокин</surname><given-names>Б. П. </given-names></name></name-alternatives><email>sorokin_b_p_noemail@ras.ru</email><xref ref-type="aff" rid="aff-9"></xref></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid"></contrib-id><name-alternatives><name xml:lang="en"><surname>Terent&amp;apos;ev</surname><given-names>S. A.</given-names></name><name xml:lang="ru"><surname>Терентьев</surname><given-names>С. А. </given-names></name></name-alternatives><email>terent&amp;apos;ev_s_a_noemail@ras.ru</email><xref ref-type="aff" rid="aff-11"></xref></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid"></contrib-id><name-alternatives><name xml:lang="en"><surname>Polyakov</surname><given-names>S. N.</given-names></name><name xml:lang="ru"><surname>Поляков</surname><given-names>С. Н. </given-names></name></name-alternatives><email>polyakov_s_n_noemail@ras.ru</email><xref ref-type="aff" rid="aff-13"></xref></contrib></contrib-group><aff-alternatives id="aff-1"><aff><institution xml:lang="ru">Технологический институт сверхтвердых и новых углеродных материалов</institution><institution xml:lang="en">Technological Institute for Superhard and Novel Carbon Materials</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff><institution xml:lang="ru"></institution><institution xml:lang="en"></institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff><institution xml:lang="ru">Технологический институт сверхтвердых и новых углеродных материалов</institution><institution xml:lang="en">Technological Institute for Superhard and Novel Carbon Materials</institution></aff></aff-alternatives><aff-alternatives id="aff-5"><aff><institution xml:lang="ru">Технологический институт сверхтвердых и новых углеродных материалов;Институт спектроскопии Российской академии наук</institution><institution xml:lang="en">Technological Institute for Superhard and Novel Carbon Materials; Institute of Spectroscopy, Russian Academy of Sciences</institution></aff></aff-alternatives><aff-alternatives id="aff-7"><aff><institution xml:lang="ru">Технологический институт сверхтвердых и новых углеродных материалов</institution><institution xml:lang="en">Technological Institute for Superhard and Novel Carbon Materials</institution></aff></aff-alternatives><aff-alternatives id="aff-9"><aff><institution xml:lang="ru">Технологический институт сверхтвердых и новых углеродных материалов</institution><institution xml:lang="en">Technological Institute for Superhard and Novel Carbon Materials</institution></aff></aff-alternatives><aff-alternatives id="aff-11"><aff><institution xml:lang="ru">Технологический институт сверхтвердых и новых углеродных материалов</institution><institution xml:lang="en">Technological Institute for Superhard and Novel Carbon Materials</institution></aff></aff-alternatives><aff-alternatives id="aff-13"><aff><institution xml:lang="ru">Технологический институт сверхтвердых и новых углеродных материалов;Институт нефтехимического синтеза им. А.В. Топчиева Российской академии наук</institution><institution xml:lang="en">Technological Institute for Superhard and Novel Carbon Materials; Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-12-01" publication-format="electronic"><day>01</day><month>12</month><year>2023</year></pub-date><volume>164</volume><issue>6</issue><fpage>885</fpage><lpage>895</lpage><abstract xml:lang="en"><p>Cylindrically bent diamond single-crystal plates have a great potential for creating energy dispersive spectrometers and focusing crystal monochromators. When they are designed, it is necessary to take into account the significant stresses that appear on bending the plates. The strain tensor and the elastic stress fields in a cylindrically bent single-crystal (110) diamond plate are calculated. The calculations are based on experimental data obtained by local Laue diffraction. The calculation results can be used to design new X-ray optical devices with the ability to control their parameters.</p></abstract><trans-abstract xml:lang="ru"><p>Алмазные монокристаллические пластины с цилиндрическим изгибом имеют большой потенциал для создания энергодисперсионных спектрометров и фокусирующих кристалл-монохроматоров. При их конструировании требуется учитывать значительные напряжения, возникающие при изгибе пластин. Представлены результаты расчета тензора деформаций и полей упругих напряжений в цилиндрически изогнутой монокристаллической алмазной пластине с ориентацией поверхности (110). Расчеты основаны на экспериментальных данных, полученных с помощью локального дифракционного метода Лауэ. Результаты расчетов могут быть использованы при проектировании новых рентгенооптических устройств с возможностью управления их параметрами.</p></trans-abstract></article-meta></front><body></body><back><ref-list><ref id="B1"><label>B1</label><citation-alternatives><mixed-citation xml:lang="ru">Y. Shvyd&amp;apos;ko, S. Terentyev, V. Blank et al., J. Synchrotron Rad. 28, 1720 (2021).</mixed-citation><mixed-citation xml:lang="en"></mixed-citation></citation-alternatives></ref><ref id="B2"><label>B2</label><citation-alternatives><mixed-citation xml:lang="ru">I. Nam, C.-K. Min, B. Oh et al., Nat. Photon. 15, 435 (2021).</mixed-citation><mixed-citation xml:lang="en"></mixed-citation></citation-alternatives></ref><ref id="B3"><label>B3</label><citation-alternatives><mixed-citation xml:lang="ru">J. Amann, W. Berg, V. Blank et al., Nat. 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