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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-774</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>Статьи</subject></subj-group></article-categories><title-group><article-title>ХАРАКТЕРИСТИКИ ВОЛОКОННЫХ УСИЛИТЕЛЕЙ КОРОТКОЙ ДЛИНЫ НА ОСНОВЕ ЭРБИЯ ПРИ ЭКСТРЕМАЛЬНЫХ ТЕМПЕРАТУРАХ</article-title><trans-title-group xml:lang="en"><trans-title>GAIN CHARACTERISTICS OF SHORT-LENGTH ERBIUM DOPED FIBER AMPLIFIERS AT EXTREME TEMPERATURES</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>Alnuwab</surname><given-names>M. A.</given-names></name><name name-style="western" xml:lang="en"><surname>Alnuwab</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Стамбул</p></bio><bio xml:lang="en"><p>Istanbul</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>Kaygusuz</surname><given-names>H.</given-names></name><name name-style="western" xml:lang="en"><surname>Kaygusuz</surname><given-names>H.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Стамбул</p></bio><bio xml:lang="en"><p>Istanbul</p></bio><email xlink:type="simple">hakan.kaygusuz@altinbas.edu.tr</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Высшая школа науки и техники Университета Алтынбаш</institution></aff><aff xml:lang="en"><institution>Graduate School of Science and Engineering at Altınbaş University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Университет Алтынбаш</institution></aff><aff xml:lang="en"><institution>Department of Basic Sciences, Faculty of Engineering and Natural Sciences, Altınbaş University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>29</day><month>01</month><year>2021</year></pub-date><volume>88</volume><issue>1</issue><fpage>125</fpage><lpage>128</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Alnuwab M.A., Kaygusuz H., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Alnuwab M.A., Kaygusuz H.</copyright-holder><copyright-holder xml:lang="en">Alnuwab M.A., Kaygusuz 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/774">https://zhps.ejournal.by/jour/article/view/774</self-uri><abstract><p>Волоконные усилители, легированные эрбием, используются для усиления оптических сигналов. В оптическом усилителе этого типа сердцевина кремнеземного волокна легирована ионами Er3+. Смоделировано влияние температуры на параметры усиления легированных эрбием усилителей короткой длины. Для моделирования экстремальных условий, таких как присутствие жидкого азота, выбраны температуры в широком диапазоне (от –200 до +80° C) при различных плотностях ионов. Максимальное усиление наблюдается при температурах, близких к 0 °C. Отмечена важная роль концентрации Er3+.</p></abstract><trans-abstract xml:lang="en"><p>Erbium-doped fiber amplifiers are used for amplifying optical signals. In this type of optical amplifier, the core of a silica fiber is doped with Er3+ ions. Here, the effects of temperature on the gain parameters for short-length erbium-doped fiber amplifiers are simulated. Temperatures were selected over a wide range (-200 to +80°C) for different ion densities to simulate extreme conditions, such as the presence of liquid nitrogen. The maximum gain occurs at temperatures close to 0°C, and the Er3+ concentration also plays an important role.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>волоконный усилитель</kwd><kwd>температура</kwd><kwd>плотность ионов</kwd><kwd>коэффициент усиления</kwd><kwd>эрбий</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fiber amplifier</kwd><kwd>temperature</kwd><kwd>ion density</kwd><kwd>gain</kwd><kwd>erbium</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">G. P. Agrawal, Fiber-Optic Communication Systems, Wiley (2010).</mixed-citation><mixed-citation xml:lang="en">G. P. Agrawal, Fiber-Optic Communication Systems, Wiley (2010).</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">E. 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