VUV-UV-visible luminescence of Nd3+, Er3+ and Tm3+ in LiLuF4 single crystal host |
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| Authors: | J Martincik M Nikl S Ishizu K Fukuda T Suyama A Beitlerova K Polak V Babin A Yoshikawa |
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| Institution: | 1. Institute of Physics AS CR, Cukrovarnicka 10, Prague 110 00, Czech Republic;2. FNSPE, Czech Technical University, Prague, Czech Republic;3. Institute of Physics, University of Tartu, Tartu, Estonia;4. Tokuyama Co. Ltd., Sendai, Japan;5. IMRAM, Tohoku University, Sendai, Japan |
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| Abstract: | An overlook of absorption and luminescence characteristics of Nd3+, Er3+ and Tm3+ centers in LiLuF4 single crystal is provided. Single crystal doped with the mentioned RE ions were prepared by micro-pulling-down technique in the form of few cm long rods with the diameter of about 2 mm. Excitation and emission spectra and fast decay kinetics in VUV spectral region were measured at SUPERLUMI station at synchrotron DESY, Hamburg and characterization was further completed in UV-visible region at conventional spectrophotometers. Observed absorption and emission peaks are ascribed to the 5d–4f and 4f–4f optical transitions in the doped rare earth ions. Concentration dependence of the decay kinetics is discussed. |
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