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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-1345</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>АТОМНАЯ СПЕКТРОСКОПИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ATOMIC SPECTROSCOPY</subject></subj-group></article-categories><title-group><article-title>Исследование взаимодействия атомов рубидия с поверхностью сапфира с использованием спектроскопической наноячейки</article-title><trans-title-group xml:lang="en"><trans-title>Study of the Interaction of Rubidium Atoms with Sapphire Surface Using Spectroscopic Nanocells</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>Саргсян</surname><given-names>А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sargsyan</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аштарак</p></bio><bio xml:lang="en"><p>Ashtarak</p></bio><email xlink:type="simple">sarmeno@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физических исследований НАН Армении</institution></aff><aff xml:lang="en"><institution>Institute for Physical Research, National Academy of Sciences of Armenia</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>23</day><month>08</month><year>2023</year></pub-date><volume>90</volume><issue>4</issue><fpage>535</fpage><lpage>540</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Саргсян А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Саргсян А.</copyright-holder><copyright-holder xml:lang="en">Sargsyan 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://zhps.ejournal.by/jour/article/view/1345">https://zhps.ejournal.by/jour/article/view/1345</self-uri><abstract><p>Экспериментально исследовано влияние диэлектрической поверхности на атомы Rb (D2-линии) при нанометровых расстояниях. Использование наноячейки, заполненной атомарным рубидием с клиновидным зазором, позволило исследовать влияние расстояния атомов в интервале 45—150 нм от поверхности окна, изготовленного из технического сапфира. При расстояниях от сапфировой поверхности &lt;130 нм вследствие ван-дер-ваальсова взаимодействия происходит сильное уширение атомных переходов 85Rb и 87Rb, а их частотные сдвиги осуществляются в низкочастотную область спектра. Применение метода второй производной спектров поглощения наноячейки позволило измерить коэффициент ван-дер-ваальсова взаимодействия C3 = 1.8±0.3 кГц ∙ мкм3 для D2-линии Rb. Показано, что при толщине наноячейки 65±5 нм с увеличением плотности атомов происходит дополнительный красный сдвиг, обусловленный диполь-дипольным взаимодействием атомов Rb. Результаты могут быть использованы при разработке миниатюрных субмикронных устройств.</p></abstract><trans-abstract xml:lang="en"><p>The influence of the dielectric surface on Rb atoms of D2-line at nanometer distances has been experimentally studied. The use of a nanocell filled with atomic rubidium with a wedge-shaped gap, has made it possible to study the influence of the distance of atoms in the range of 45–150 nm from the surface of a window made of commercial sapphire. At distances from the sapphire surface of less than 130 nm, due to the van der Waals interaction, 85Rb and 87Rb atomic transitions are strongly broadened, and their frequency shifts are carried out to the low-frequency spectrum region. The use of the method of the second derivative of the nanocell absorption spectra has made it possible to measure the van der Waals interaction coefficient C3 = 1.8±0.3 kHz ∙ μm3 for Rb D2-line. It is shown that at a nanocell thickness of 65±5 nm, an additional red shift occurs with atoms density increase, due to the dipole-dipole interaction of Rb atoms. The results can be used in the development of miniature submicron devices.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>наноячейка</kwd><kwd>ван-дер-ваальсово взаимодействие</kwd><kwd>атомы Rb</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nanocell</kwd><kwd>van der Waals interaction</kwd><kwd>Rb atoms</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке комитета по науке Министерства образования, науки, культуры и спорта Республики Армения в рамках научного проекта № 21T -1C005.</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">J. Kitching. Appl. Phys. Lett., 5 (2018) 031302</mixed-citation><mixed-citation xml:lang="en">J. Kitching. 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