Spectroscopic study of KY3F10 crystals doped with praseodymium
Chukalina E. P. 1, Igolkina T. A. 1,2, Karimov D. N 3
1Institute of Spectroscopy, Russian Academy of Sciences, Troitsk, Moscow, Russia
2Moscow Institute of Physics and Technology (National Research University), Dolgoprudny, Moscow Region, Russia
3Shubnikov Institute of Crystallography “Crystallography and Photonics”, Russian Academy of Sciences, Moscow, Russia
Email: echukalina@isan.troitsk.ru, igolkina.ta@phystech.edu, dnkarimov@gmail.com

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We report on the high-resolution Fourier spectroscopy study of KY3F10 : Pr3+ crystals. The analysis of the transmission and luminescence spectra allowed us to refine and supplement the information on the crystal-field levels of the Pr3+ ion. The value of the hyperfine splitting of the ground state of Pr3+ in the KY3F10 cubic host is estimated. The observed shape of the spectral lines indicates the presence of defects in the sample under study. Keywords: KY3F10 : Pr3+ crystal, Fourier spectroscopy, transmission and luminescence spectra.
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