技术规格
| parameter | specification |
| Material | JGS1、JGS2、JGS3、Soda Lime、K9、 B270i、BOROFLOAT33、N-BK7 or requested |
| Bore Diameter | 10um-100mm or requested |
| Tolerance | +/-0.02mm |
| Parallelism | ＜1″ |
| Flatness | N=1/4λ |
| Surface | 20/10 |
| Chamfer | ≤0.1mm@45° |
| Coating | 增透膜、反射膜等 |
| 备注：可以根据客户需求定制 | |
