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Er3+,Yb3+:YGdSiO5 Crystal as Gain Media for Lasers Emitting in the Spectral Range of 1.5–1.6 µm

https://doi.org/10.21122/2220-9506-2022-13-1-17-26

Abstract

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.

About the Authors

K. N. Gorbachenya
Belarusian National Technical University
Belarus

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

 



A. S. Yasukevich
Belarusian National Technical University
Belarus

Center for Optical Materials and Technologies

Nezavisimosty Ave., 65, Minsk 220013



V. E. Kisel
Belarusian National Technical University
Norway

Center for Optical Materials and Technologies

Nezavisimosty Ave., 65, Minsk 220013



N. A. Tolstik
Norwegian University of Science and Technology
Norway

Hogskoleringen 5, N-7491, Trondheim



A. A. Tarachenko
Belarusian National Technical University
Belarus

Center for Optical Materials and Technologies

Nezavisimosty Ave., 65, Minsk 220013



V. I. Homan
Belarusian National Technical University
Belarus

Center for Optical Materials and Technologies

Nezavisimosty Ave., 65, Minsk 220013



L. K. Pavlovskiy
Belarusian National Technical University
Belarus

Center for Optical Materials and Technologies

Nezavisimosty Ave., 65, Minsk 220013



V. A. Orlovich
B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus

Nezavisimosti Ave., 68-2, Minsk 220072



E. A. Volkova
Lomonosov Moscow State University
Russian Federation

Leninskie Gory, GSP-1, Moscow 119234



V. O. Yapaskurt
Lomonosov Moscow State University
Russian Federation

Leninskie Gory, GSP-1, Moscow 119234



N. V. Kuleshov
Belarusian National Technical University
Belarus

Center for Optical Materials and Technologies

Nezavisimosty Ave., 65, Minsk 220013



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For citations:


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. Er3+,Yb3+:YGdSiO5 Crystal as Gain Media for Lasers Emitting in the Spectral Range of 1.5–1.6 µm. Devices and Methods of Measurements. 2022;13(1):17-26. (In Russ.) https://doi.org/10.21122/2220-9506-2022-13-1-17-26

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