Nonlinear refractive properties of Yb3+-doped KY(WO4)2 and YVO4 laser crystals
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- Selivanov, A., Denisov, I., Kuleshov, N. et al. Appl. Phys. B (2006) 83: 61. doi:10.1007/s00340-005-2098-5
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The nonlinear refractive indices of Yb3+: KY(WO4)2 and Yb3+:YVO4 laser crystals are characterized using a Z-scan technique at a wavelength of 1.08 μm for different polarizations. The results reveal that the nonlinear refractive index of Yb3+:YVO4 is superior to that of Yb3+:KY(WO4)2 and is found to be 1.9×10-15 cm2/W and 1.5×10-15 cm2/W for E⊥c and E∥c polarizations, respectively.