| Specification |
| Growth method | Tirafa |
| Crystal structure | Tripartite |
| Lattice constant | a=b=5.148Å c=13.863 Å |
| Melting point (℃) | 1250 |
| Curie temperature | 1140℃ |
| Density (g/cm3) | 4.64 |
| Hardness | 5（mohs） |
| Spectral transmission wavelength | 0.4-2.9um |
| Refractive index | no=2.286 ne=2.203 （632.8nm） |
| Non-linear coefficient | d33=34.45，d31=d15=5.95，d22=13.07 （pmv-1） |
| Electro-optic coefficient | γ13=8.6，γ22=3.4，γ33=30.8，γ51=28.0，γ22=6.00（pmv-1） |
| Spectral transmission range Transmittance | 370～5000nm >68% （632.8nm） |
| Thermal expansion coefficient | a11=15.4×10-6/k，a33=7.5×10-6/k |
| Size | Anything equal to or less than Ø3″ | Surface Quality | 10/5 |
| Size tolerance | Z axis: ±0.3mm
X axis, Y axis: ±0.1mm | Flatness | v8 （632.8nm） |
| Chamfer | Less than 0.5mm, 45 º±5 º | Coating | R<0.2%（1064nm） |
| Crystal orientation accuracy | Z轴： 5′
X、Y轴：<10′ | Wavefront distortion | <N4（633nm） |
| Parallelism | <10′ | Extinction Ratio | >400:1(633nm)φ6mm光束 |
| Package | Class 100 clean bag, Class 1000 super clean room |
