Li-impurity effect in optical spectra of KTaO3:Er3+ crystals

The f–f absorption and emission spectra of Er 3+ impurities were observed and identified in KTaO 3 and K 1 – x Li x TaO 3 single crystals. It was shown that Li off-centers related random fields markedly influence intensity, width and position of zero-phonon lines. The detail analysis of the absorpti...

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Bibliographic Details
Published in:Optics and spectroscopy 2016, Vol.121 (4), p.534-537
Main Authors: Skvortsov, A. P., Potůček, Z., Poletaev, N. K., Syrnikov, P. P., Bryknar, Z., Dejneka, A., Jastrabik, L., Trepakov, V. A.
Format: Article
Language:English
Subjects:
Absorption spectra
Crystals
Emission spectra
Erbium
Impurities
Impurity effects
Ions
Lasers
Lithium
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Single crystals
XVI International Feofilov Symposium
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Summary:The f–f absorption and emission spectra of Er 3+ impurities were observed and identified in KTaO 3 and K 1 – x Li x TaO 3 single crystals. It was shown that Li off-centers related random fields markedly influence intensity, width and position of zero-phonon lines. The detail analysis of the absorption spectra obtained allowed one to determine energies of the Stark sublevels of excited states for Er 3+ dominant centers of noncubic symmetry.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X16100222