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The Er<sup>3+</sup>/Zn<sup>2+</sup>:LiNbO<sub>3</sub> and Er<sup>3+</sup>/Yb<sup>3+</sup>/Zn<sup>2+</sup>:LiNbO<sub>3</sub>crystals were grown by Czochralski technique. The effect of Zn<sup>2+</sup>(More)
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