Abstract
AbstractThe Yb:YAl3(BO3) 4 crystals with different Yb3+ doping concentration have been grown by the flux method. The lattice parameters and decomposition of the Yb:YAl3(BO3)4 crystal with different Yb3+ doping concentration were measured by X‐ray and DTA method. The transmission and fluorescence spectra of Yb3+:YAl3(BO3)4 crystal have been measured. The growth defects of YbxY1‐xAl3(BO3)4 crystals were also detected by using the chemical etching method. The results show that the ytterbium concentration influences these properties of Yb:YAl3(BO3)4. As the Yb3+ concentration increased, the crystal lattice parameter was decreased. At high doping level, the absorption peak concerned at about 980 nm shift to short wavelength. It is also found that the perfection of Yb:YAl3(BO3) 4 crystal with low Yb3+ doping concentration is better than that with high Yb3+ concentration. (© 2003 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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