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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.2025-1-83-89</article-id><article-id custom-type="elpub" pub-id-type="custom">izmertech-2306</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>ОПТИКО-ФИЗИЧЕСКИЕ ИЗМЕРЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>OPTICOPHYSICAL MEASUREMENTS</subject></subj-group></article-categories><title-group><article-title>Характеристики временно́й динамики жидкокристаллических пространственно-временны́х модуляторов как ограничение быстродействия перестраиваемых дифракционных нейросетей.</article-title><trans-title-group xml:lang="en"><trans-title>Characteristics of temporal dynamics of liquid crystal spatial modulators as a limitation of the performance of tunable diffractive neural networks</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-4213-9373</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Волков</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Volkov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Антон Андреевич Волков</p></bio><bio xml:lang="en"><p>Anton A. Volkov</p></bio><email xlink:type="simple">mr.a.a.volkov@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2246-9729</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Миниханов</surname><given-names>Т. З.</given-names></name><name name-style="western" xml:lang="en"><surname>Minikhanov</surname><given-names>T. Z.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тимур Замирович Миниханов</p></bio><bio xml:lang="en"><p>Timur Z. Minikhanov</p></bio><email xlink:type="simple">minikhanovtz@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1340-7734</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Злоказов</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Zlokazov</surname><given-names>E. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евгений Юрьевич Злоказов</p></bio><bio xml:lang="en"><p>Evgeniy Yu. Zlokazov</p></bio><email xlink:type="simple">ezlokazov@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7816-5989</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шифрина</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shifrina</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анна Владимировна Шифрина</p></bio><bio xml:lang="en"><p>Anna V. Shifrina</p></bio><email xlink:type="simple">avshifrina@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6764-7664</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петрова</surname><given-names>Е. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrova</surname><given-names>E. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елизавета Кирилловна Петрова</p></bio><bio xml:lang="en"><p>Elizaveta K. Petrova</p></bio><email xlink:type="simple">EKPetrova@mephi.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7369-1565</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стариков</surname><given-names>Р. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Starikov</surname><given-names>R. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ростислав Сергеевич Стариков</p></bio><bio xml:lang="en"><p>Rostislav S. Starikov</p></bio><email xlink:type="simple">rstarikov@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><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><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>E. Yu. Zlokazov</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>03</day><month>04</month><year>2025</year></pub-date><volume>74</volume><issue>1</issue><fpage>83</fpage><lpage>89</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Волков А.А., Миниханов Т.З., Злоказов Е.Ю., Шифрина А.В., Петрова Е.К., Стариков Р.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Волков А.А., Миниханов Т.З., Злоказов Е.Ю., Шифрина А.В., Петрова Е.К., Стариков Р.С.</copyright-holder><copyright-holder xml:lang="en">Volkov A.A., Minikhanov T.Z., Zlokazov E.Y., Shifrina A.V., Petrova E.K., Starikov R.S.</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://www.izmt.ru/jour/article/view/2306">https://www.izmt.ru/jour/article/view/2306</self-uri><abstract><p>Жидкокристаллические пространственно-временны́е модуляторы света используются при решении широкого спектра современных задач науки и техники. С помощью данных модуляторов можно управлять амплитудой, фазой и направлением распространения когерентного оптического излучения в оптических системах обработки информации. Однако недостаточно изучено влияние характеристик временно́й динамики жидкокристаллических пространственно-временны́х модуляторов на эксплуатационные характеристики информационных оптических систем, в том числе дифракционных нейронных сетей. Представлены результаты исследования временно́й динамики модуляции фазы жидкокристаллического пространственно-временного модулятора света SLM-200 (Santec, Япония). В ходе экспериментов использованы компьютерно-синтезированные бинарные фазовые дифракционные оптические элементы, измерены характеристики временно́й динамики оптического модулятора: 125 мс – время нарастания дифракционной эффективности при выводе дифракционных оптических элементов на экран; 61,9 мс – время спада при переключении кадров. При данных характеристиках может быть обеспечено формирование переменного оптического поля на частоте отображения кадров 2 Гц с уровнем помехи –17,1 дБ. Увеличение частоты отображения кадров приводит к появлению неустранимых межкадровых помех, что ограничивает эффективное быстродействие информационной системы. Полученные результаты будут полезны при проектировании высокопроизводительных систем оптической обработки информации, дифракционных нейронных сетей</p></abstract><trans-abstract xml:lang="en"><p>Liquid crystal spatial light modulators are used in a wide range of modern problems in science and technology. These modulators are used to control the amplitude, phase, and direction of propagation of coherent optical radiation in optical information processing systems. However, the influence of the characteristics of the temporal dynamics of liquid crystal spatial light modulators on the performance of information optical systems, including diffractive neural networks, has not been sufficiently studied. The article presents the results of a study of the temporal dynamics of phase modulation of the liquid crystal spatial light modulator SLM-200 (Santec, Japan). Computer-synthesized binary phase diffractive optical elements were used in the experiments, and the characteristics of the temporal dynamics of the optical modulator were measured: 125 ms is the rise time of the diffraction efficiency when displaying diffractive optical elements on the screen; 61.9 ms is the decay time when switching frames. With these characteristics, it is possible to ensure the formation of a variable optical field at a frame display frequency of 2 Hz with an interference level of –17.1 dB. Increasing the frame display frequency leads to the appearance of unavoidable interframe interference, which in turn limits the effective performance of the information system. The results obtained can be useful in designing high-performance optical information processing systems and diffraction neural networks</p></trans-abstract><kwd-group xml:lang="ru"><kwd>компьютерная голография</kwd><kwd>жидкокристаллический пространственно-временно́й модулятор света</kwd><kwd>дифракционные нейронные сети</kwd><kwd>дифракционный оптический элемент</kwd><kwd>когерентный дифракционный процессор</kwd></kwd-group><kwd-group xml:lang="en"><kwd>computer holography</kwd><kwd>liquid crystal spatial light modulator</kwd><kwd>diffraction neural networks</kwd><kwd>diffraction optical element</kwd><kwd>coherent diffraction processor</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Российского научного фонда (РНФ), грант № 23-12-00336.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">LeCun Y., Bottou L., Bengio Y., Haffner P. 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