Fig. 1. Schematic of measuring electro-optic effect

Fig. 2. (a) XRD pattern, (b) transmission spectrum, and (c) SEM image of PMN-PT ceramic

Fig. 3. Measurement diagram of temperature dependent electro-optic effect

Fig. 4. Electro-optic effect of PMN-PT ceramic at wavelength of 1550 nm at different temperatures.(a) 276.2 K; (b) 284.2 K; (c) 288.9 K; (d) 294.1 K; (e) 297.8 K; (f) 307.1 K

Fig. 5. Variation of dielectric constant of PMN-PT ceramic with temperature

Fig. 6. PFM images and electro-optic effect curves of ceramic samples with different ferroelectric domains: (a) ferroelectric domain of sample A; (b) ferroelectric domain of sample B; (c) electro-optic effect curves

Fig. 7. PFM images of ferroelectric domains of PMN-PT ceramic with different components. (a) 2/75/25; (b) 3/75/25; (c) 4/75/25

Fig. 8. Variation of electro-optic coefficient with temperature at wavelengths of 1064 nm and 1550 nm