| Issue |
EPJ Web of Conferences
Volume 103, 2015
XII International Workshop on Quantum Optics (IWQO-2015)
|
|
|---|---|---|
| Article Number | 09005 | |
| Number of page(s) | 2 | |
| Section | Optics of Crystals. Optical Materials | |
| DOI | https://doi.org/10.1051/epjconf/201510309005 | |
| Published online | 25 September 2015 | |
https://doi.org/10.1051/epjconf/201510309005
Photodynamic Processes in Fluoride Crystals Doped with Ce3+
Kazan Federal University 18 Kremlyovskaya Str. Kazan 420008, Russia
a Corresponding author: Vitaly.V.Pavlov@gmail.com
Published online: 25 September 2015
Integrated studies of photoelectric phenomena and their associated photodynamic processes in LiCaAlF6, LiLuF4, LiYF4, LiY0,5Lu0,5F4, SrAlF5 crystals doped with Ce3+ ions have been carried out using the combination of the methods of optical and dielectric spectroscopy. The numerical values of the basic parameters of photodynamic processes and their spectral dependence in 240 – 310 nm spectral range are evaluated. It has been shown that the most probable process, which leads to the photoionization of Ce3+ ions in LiYxLu1-xF4:Ce3+ (x=0; 0,5; 1) and LiCaAlF6:Ce3+ crystals, is excited-state absorption to the states of mixed configurations of Ce3+ ions localized near/in the conduction band of crystal.
Key words: photoionization of impurity ions / optical spectroscopy / dielectric spectroscopy
© Owned by the authors, published by EDP Sciences, 2015
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