Synthesis and Laser-Related Spectroscopy of Er:Y2O3 Optical Ceramics as a Gain Medium for In-Band-Pumped 1.6 µm Lasers

Авторы: Gorbachenya Konstantin N., Yasukevich Anatol S., Kisel Viktor E., Lopukhin Kirill V., Balashov Vladimir V., Fedin Alexander V., Gerke Miron N., Volkova Elena A., Yapaskurt Vasiliy O., Kuzmin Nikolay N., Ksenofontov Dmitry A., Korost Dmitry V., Kuleshov Nikolay V.
Журнал: Crystals
Том: 12
Год издания: 2022
Издательство: MDPI
Местоположение издательства: Basel, Switzerland
DOI: 10.3390/cryst12040519
Аннотация: In this paper, Er:Y2O3 optical ceramics were fabricated and details of the synthesis were presented. The spectral–luminescent properties of Er3+:Y2O3 optical ceramics were investigated. The absorption and emission cross-section spectra were determined. The luminescence kinetics at near 1.6 µm was single exponential and the lifetime of erbium 4I13/2 energy level was determined. In the frame of the conventional Judd–Ofelt theory, the emission properties of the energy levels of erbium 4I13/2 and 4I11/2 involved in laser operation at near 1.6 µm were calculated. The gain coefficient curves for typical values of the relative population of the upper laser level 4I13/2 were presented. The composition and structure were studied using the SEM, XRD, FTIR spectroscopy, and X-ray computer tomography techniques.
Добавил в систему: Волкова Елена Александровна

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