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The growth and spectroscopic properties of yb3+-doped KLa(MoO4)2 crystal were investigated.Yb3+-doped KLa(MoO4)2 with dimension of (Φ)28 × 30 mm2 has been grown by Czochralski method.The strongest absorption band of yb3+:KLa(MoO4)2 is at 978 nm with an absorption cross-section of 1.35× 10-20 cm2 and FWHM of 10 nm.The emission cross-section σe is 5.1 × 10-21 cm2 at 1020 nm.The radiative lifetime and fluorescence lifetime are 0.73ms and 0.44 ms,respectively.