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Tm 3+ -doped CaNb 2 O 6 single crystal was successfully grown by the Czochralski technique. Based on the Judd–Ofelt theory, three spectroscopic parameters Ω t (t=2,4,6), radiative transition probabilities, radiative lifetimes, branching ratios and oscillator strengths were obtained according to the absorption spectra and the fluorescence spectra. Both the radiative...
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