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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-1228</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>АННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ABSTRACTS ENGLISH-LANGUAGE ARTICLES</subject></subj-group></article-categories><title-group><article-title>Сравнение время-разрешенных и поляризационно-разрешенных спектров лазерно-эмиссионной плазмы алюминиевого сплава</article-title><trans-title-group xml:lang="en"><trans-title>Comparison of LIBS and Polarization Resolved LIBS Emission Spectra for Aluminium Alloy</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>Wubetu</surname><given-names>G. A.</given-names></name><name name-style="western" xml:lang="en"><surname>Wubetu</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бахир Дар;</p><p>Аддис-Абеба</p><p>getasew.admasu@bdu.edu.et</p></bio><bio xml:lang="en"><p>Bahir Dar;</p><p>Addis Ababa</p></bio><email xlink:type="simple">getasew.wubetu2@mail.dcu.ie</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>Costello</surname><given-names>J. T.</given-names></name><name name-style="western" xml:lang="en"><surname>Costello</surname><given-names>J. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гласневин, Дублин</p></bio><bio xml:lang="en"><p>Glasnevin, Dublin</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>Kelly</surname><given-names>T. J.</given-names></name><name name-style="western" xml:lang="en"><surname>Kelly</surname><given-names>T. J.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Голуэй</p></bio><bio xml:lang="en"><p>Galway</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Wachulak</surname><given-names>P.</given-names></name><name name-style="western" xml:lang="en"><surname>Wachulak</surname><given-names>P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Варшава</p></bio><bio xml:lang="en"><p>Warsaw</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Bartnik</surname><given-names>A.</given-names></name><name name-style="western" xml:lang="en"><surname>Bartnik</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Варшава</p></bio><bio xml:lang="en"><p>Warsaw</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Skrzeczanowski</surname><given-names>W.</given-names></name><name name-style="western" xml:lang="en"><surname>Skrzeczanowski</surname><given-names>W.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Варшава</p></bio><bio xml:lang="en"><p>Warsaw</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Fiedorowicz</surname><given-names>H.</given-names></name><name name-style="western" xml:lang="en"><surname>Fiedorowicz</surname><given-names>H.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Варшава</p></bio><bio xml:lang="en"><p>Warsaw</p></bio><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Колледж естественных наук Университета Бахир Дар;&#13;
Колледж естественных и вычислительных наук Аддис-Абебского университета</institution></aff><aff xml:lang="en"><institution>Department of Physics, College of Science at Bahir Dar University Bahir Dar;&#13;
Department of Physics, College of Natural and Computational Science at Addis Ababa University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный центр плазменной науки и технологии (NCPST) и школа физических наук Дублинского городского университета</institution></aff><aff xml:lang="en"><institution>National Centre for Plasmas Science and Technology (NCPST) and School of Physical Science at Dublin City University</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Атлантический технологический университет</institution></aff><aff xml:lang="en"><institution>Department of Computer Science and Applied Physics, Atlantic Technological University</institution></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Институт оптоэлектроники, Военный технологический университет (MUT)</institution></aff><aff xml:lang="en"><institution>Institute of Optoelectronics, Military University of Technology (MUT)</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>04</day><month>02</month><year>2023</year></pub-date><volume>90</volume><issue>1</issue><fpage>114</fpage><lpage>114</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Wubetu G.A., Costello J.T., Kelly T.J., Wachulak P., Bartnik A., Skrzeczanowski W., Fiedorowicz H., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Wubetu G.A., Costello J.T., Kelly T.J., Wachulak P., Bartnik A., Skrzeczanowski W., Fiedorowicz H.</copyright-holder><copyright-holder xml:lang="en">Wubetu G.A., Costello J.T., Kelly T.J., Wachulak P., Bartnik A., Skrzeczanowski W., Fiedorowicz H.</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/1228">https://zhps.ejournal.by/jour/article/view/1228</self-uri><abstract><p>Методами оптической эмиссионной спектроскопии с временным (LIBS) и поляризационным разрешением (PRLIBS) исследована лазерная плазма, сформированная на сплавах алюминия, в видимой области в воздушной атмосфере при давлении 10–4 мбар. Спектральное отношение сигнал-фон значительно увеличивается для PRLIBS по сравнению с LIBS для линии излучения 415 нм Mn, присутствующего в образце в следовой концентрации. Результаты интерпретированы в рамках излучательно-рекомбинирующей плазмы, в которой свободные электроны захватываются ионами для излучения. Степень поляризации для матричных линий Al0 (396.15 нм) и Al2+ (569.6 нм) определяется количественно с использованием соседних неполяризованных линий излучения. Параметры плазмы измеряются и сравниваются со степенью поляризации для определения доминирующего механизма поляризованного излучения. Показано, что PRLIBS является полезным и простым дополнением, способным улучшить экспериментальную производительность LIBS. </p></abstract><trans-abstract xml:lang="en"><p>Time and polarization resolved optical emission spectroscopy of laser-produced plasmas formed on Al alloys has been studied in the visible spectral range at a background air pressure of 10−4 mbar. A comparative experimental investigation has been made between the results obtained from the polarization-resolved laser-induced breakdown spectroscopy (PRLIBS) and those obtained for the unresolved case (denoted simply as LIBS here). The spectral signal-to-background ratio (SBR) is increased significantly for PRLIBS compared with LIBS for the Mn emission line at a wavelength of 415 nm, which had trace concentrations in the sample. The results have been interpreted within the framework of radiatively recombining plasma where free electrons are captured by ions to emit radiation. In addition, the degree of polarization is quantified for two matrix lines, namely Al0 (at 396.15 nm) and Al2+ (569.6 nm) by using neighbouring unpolarised emission lines. The plasma parameters are measured and compared with the degree of polarization to determine the dominant mechanism for the polarised emission. Thus, from these results, we feel confident that PRLIBS is a useful and simple addition, capable of improving experimental LIBS performance. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>лазерно-искровая эмиссионная спектроскопия</kwd><kwd>лазерно-искровая эмиссионная спектроскопия с поляризационным разрешением</kwd><kwd>отношение сигнал-фон</kwd><kwd>предел обнаружения</kwd><kwd>излучательная рекомбинация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>laser-induced breakdown spectroscopy</kwd><kwd>polarization-resolved laser-induced breakdown spectroscopy</kwd><kwd>signal-to-background ratio</kwd><kwd>limit of detection</kwd><kwd>radiative recombination</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The work is supported by the Education, Audio-Visual and Culture Executive Agency (EACEA) Erasmus Mundus Joint Doctorate Programme EXTATIC (Project No. 2012-0033), Science Foundation Ireland (Grants Nos. 16/RI/3696 and 19/FFP/6956), and the Sustainable Energy Authority of Ireland (SEAI) (Grant No. 19/RDD/556). 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