| Specifications | According to customer's specific requirements |
| Chemical Formula | Tb₃Ga₅O₁₂ |
| Crystal Structure | Cubic |
| Diameter Tolerance | +0.0/-0.1mm |
| Central Thickness Tolerance | ±0.1mm |
| PV | λ/8 |
| Parallelism | <30'' |
| Surface Quality | 60/40, 40/20 |
| Coating | AR coating, DLC |
