pimiПриборы и методы измеренийDevices and Methods of Measurements2220-95062414-0473BNTU10.21122/2220-9506-2022-13-1-17-26pimi-745Research ArticleСредства измеренийMeasuring instrumentsКристалл Er3+,Yb3+:YGdSiO5 для лазеров спектрального диапазона 1,5–1,6 мкмEr3+,Yb3+:YGdSiO5 Crystal as Gain Media for Lasers Emitting in the Spectral Range of 1.5–1.6 µmГорбаченяК. Н.GorbachenyaK. N.

НИЦ оптических материалов и технологий

Адрес для переписки: Горбаченя К.Н. – Центр оптических материалов и технологий, Белорусский национальный технический университет, пр-т Независимости, 65, Минск 220013, Беларусьgorby@bntu.by 

Center for Optical Materials and Technologies

Address for correspondence: Gorbachenya K.N. – Center for Optical Materials and Technologies, Belarusian National Technical University, Nezavisimosty Ave., 65, Minsk 220013, Belarus

 e-mail: gorby@bntu.by

 

gorby@bntu.byЯсюкевичА. С.YasukevichA. S.

НИЦ оптических материалов и технологий

пр-т Независимости, 65, г. Минск 220013

Center for Optical Materials and Technologies

Nezavisimosty Ave., 65, Minsk 220013

КисельВ. Э.KiselV. E.

НИЦ оптических материалов и технологий

пр-т Независимости, 65, г. Минск 220013

Center for Optical Materials and Technologies

Nezavisimosty Ave., 65, Minsk 220013

ТолстикН. А.TolstikN. A.

Хогсколеринген N-7491, г. Трондхейм

Hogskoleringen 5, N-7491, Trondheim

ТараченкоА. А.TarachenkoA. A.

НИЦ оптических материалов и технологий

пр-т Независимости, 65, г. Минск 220013

Center for Optical Materials and Technologies

Nezavisimosty Ave., 65, Minsk 220013

ГоманВ. И.HomanV. I.

НИЦ оптических материалов и технологий

пр-т Независимости, 65, г. Минск 220013

Center for Optical Materials and Technologies

Nezavisimosty Ave., 65, Minsk 220013

ПавловскийЛ. К.PavlovskiyL. K.

НИЦ оптических материалов и технологий

пр-т Независимости, 65, г. Минск 220013

Center for Optical Materials and Technologies

Nezavisimosty Ave., 65, Minsk 220013

ОрловичВ. А.OrlovichV. A.

пр-т Независимости, 68-2, г. Минск 220072

Nezavisimosti Ave., 68-2, Minsk 220072

ВолковаЕ. А.VolkovaE. A.

Ленинские горы, ГСП-1, г. Москва 119234

Leninskie Gory, GSP-1, Moscow 119234

ЯпаскуртВ. О.YapaskurtV. O.

Ленинские горы, ГСП-1, г. Москва 119234

Leninskie Gory, GSP-1, Moscow 119234

КулешовН. В.KuleshovN. V.

НИЦ оптических материалов и технологий

пр-т Независимости, 65, г. Минск 220013

Center for Optical Materials and Technologies

Nezavisimosty Ave., 65, Minsk 220013

Белорусский национальный технический университетБеларусьBelarusian National Technical UniversityBelarusНорвежский университет науки и технологийНорвегияNorwegian University of Science and TechnologyNorwayИнститут физики имени Б.И. Степанова Национальной академии наук БеларусиБеларусьB.I. Stepanov Institute of Physics of the National Academy of Sciences of BelarusBelarusМосковский государственный университет имени М.В. ЛомоносоваРоссияLomonosov Moscow State UniversityRussian Federation2022040420221311726Copyright © Горбаченя К.Н., Ясюкевич А.С., Кисель В.Э., Толстик Н.А., Тараченко А.А., Гоман В.И., Павловский Л.К., Орлович В.А., Волкова Е.А., Япаскурт В.О., Кулешов Н.В., 20222022Горбаченя К.Н., Ясюкевич А.С., Кисель В.Э., Толстик Н.А., Тараченко А.А., Гоман В.И., Павловский Л.К., Орлович В.А., Волкова Е.А., Япаскурт В.О., Кулешов Н.В.Gorbachenya K.N., Yasukevich A.S., Kisel V.E., Tolstik N.A., Tarachenko A.A., Homan V.I., Pavlovskiy L.K., Orlovich V.A., Volkova E.A., Yapaskurt V.O., Kuleshov N.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://pimi.bntu.by/jour/article/view/745

Твердотельные эрбиевые лазеры, излучающие в спектральной области 1,5–1,6 мкм, представляют большой интерес для различных практических применений. Из доступных на сегодня лазерных материалов для получения стимулированного излучения в области 1,5 мкм наибольшее распространение получили фосфатные стёкла, легированные ионами Er3+. Однако максимальные выходные мощности таких лазеров ограничены несколькими сотнями милливатт из-за низких термических характеристик стекла, поэтому поиск подходящей кристаллической матрицы для ионов эрбия является актуальным и в настоящее время.

В работе представлены результаты исследований спектроскопических свойств кристалла иттрий-гадолиниевого силиката, легированного ионами эрбия и иттербия – Er3+,Yb3+:YGdSiO5 (YGSO). Измерены спектры поглощения и люминесценции в поляризованном свете, определены времена жизни возбуждённых состояний активных ионов. Измерения спектров поглощения из возбуждённого состояния показали, что полоса поглощения из возбуждённого состояния не перекрывается с полосой усиления в спектральной области 1,5–1,6 мкм. Проведена оценка эффективности переноса энергии от ионов иттербия к ионам эрбия. Выполнен расчёт спектров поперечных сечений вынужденного излучения и усиления.

Solid-state erbium lasers, emitting in the spectral range of 1.5–1.6 µm, are of great interest for several industrial applications. Nowadays the Er:glass is the most widespread laser material for obtaining laser radiation at the wavelength near 1.5 µm. However, the maximal output powers of such lasers are restricted by hundreds of milliwatts because low thermal characteristics of the glass host. By this reason the search for new crystalline hosts doped with erbium ions is the actual task.

In this article the investigation results of spectroscopic properties of Er3+,Yb3+:YGdSiO5 (YGSO) crystals are reported. Polarized absorption and luminescence spectra were measured. The lifetimes of energy levels were determined. The excited state absorption spectra were measured. It was shown that excited state absorption band does not overlap with gain band in the range 1.5–1.6 µm. The energy transfer efficiency from ytterbium to erbium ions was estimated. The stimulated emission and gain cross-section spectra for Er3+ ions in YGSO were calculated.

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The authors declare that there are no conflicts of interest present.