Temperature and wavelength dependent refractive index equations for MgO-doped congruent and stoichiometric LiNbO3
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- Gayer, O., Sacks, Z., Galun, E. et al. Appl. Phys. B (2008) 91: 343. doi:10.1007/s00340-008-2998-2
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We present wavelength- and temperature-dependent refractive index equations for 5% MgO-doped congruent PPLN and for 1% MgO-doped stoichiometric PPLN crystals valid for a wide spectral and temperature range. The dispersion equations were derived from quasi-phase-matched nonlinear interactions with these two crystal compositions in the near and mid-infrared. The results show a good agreement with previously published frequency conversion experiments.