Comparison of different EO materials with their corresponding Pockels coefficient and the conditions for taking measurements.

Material	r (pm V−1)	Wavelength (nm)	Temperature (°C)	Refractive index (n)	Reference
Bi12SiO20	5	633	22–502	2.54	43
Bi12TiO20	5.5	633	—	2.578	44
LiTaO3	30.5	632.8	0–500	2.45	45
LiNbO3	33	633	0–500	2.286	46
Bi12GeO20	3.22	666	20	2.54	47
Ba0.4Sr0.6TiO3	350	510	20–50	2.36	48
KNbO3	450	633	20–180	2.329	49
BaTiO3	1300	546	25	2.45	50