Fig. 8: Refractive index and electro-optic coefficient measurements in H-KTP.
From: Hydrothermal growth of KTiOPO4 crystal for electro-optical application

a Refractive index versus wavelength and b Sellmeier equation of KTP; Schematic of our custom-built single beam amplitude modulator for measuring c EO coefficients γ13, γ23, γ33 and d effective EO coefficients γc1 and γc2; e EO coefficient matrix for KTP; f Calculation formula of the effective EO coefficients γc1 and γc2 through EO coefficients γ13, γ23, γ33