For the first time, optical ceramics based on LuAG were obtained, simultaneously doped with Yb3+ and Er3+ ions. The optical, spectral-luminescent and kinetic characteristics of ceramics Y2,82Yb0,15Er0,03Al5O12 (YAG 5-Yb, 1-Er) and Lu2,82Yb0,15Er0,03Al5O12 (LuAG 5-Yb, 1-Er) have been studied. It is shown that when luminescence is excited
at a wavelength of 940 nm in YAG 5-Yb, 1-Er and LuAG 5-Yb, 1-Er ceramics, the energy of exciting radiation
is efficiently transferred from Yb3+ ions to Er3+ ions.
The energy transitions that play a major role in the processes of Stokes and anti-Stokes luminescence of ceramics
YAG 5-Yb, 1-Er and LuAG 5-Yb are determined, and a diagram of these transitions is shown. A mutual change in
the intensity of anti-Stokes luminescent bands caused by the transitions 2H11/2 ? 4I15/2 (525 nm) and 4S3/2 ? 4I15/2 (546 nm) depending on the power of the exciting radiation was found. The possibility of using YAG 5-Yb, 1-Er and LuAG 5-Yb,
1-Er ceramics as a material for optical thermometry is demonstrated.
Dmitry S. Vakalov – Candidate of Physical and Mathematical Sciences, Head of the Sector of Physical and Chemical Methods of Research and Analysis of the Research Laboratory of Technology of Advanced Materials and Laser Media of the Scientific Laboratory Complex of Clean Rooms, Faculty of Physics and Technology, North-Caucasus Federal University (NCFU), Stavropol, Russia
Irina S. Chikulina – senior researcher at the Department of Science, North-Caucasus Federal University (NCFU), Stavropol, Russia
Stanislav N. Kichuk – leading engineer of the Research Laboratory of Ceramics and Technochemistry of the Scientific Laboratory Complex of Clean Zones, Faculty of Physics and Technology, North-Caucasus Federal University (NCFU), Stavropol, Russia
Dmitry P. Bedrakov – engineer of the Scientific Laboratory Complex of Clean Zones, Faculty of Physics and Technology, North-Caucasus Federal University (NCFU), Stavropol, Russia
Inna V. Kichuk – 2nd year graduate student of the Department of Experimental Physics, Faculty of Physics and Technology, North-Caucasus Federal University (NCFU), Stavropol, Russia
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DOI: 10.14489/glc.2024.07.pp.018-028
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