Quartz rod is made from fused silica. It is applied in end caps for high power fiber laser and laser processing system.
| ATTRIBUTE | SPECIFICATIONS |
| material | Fused silica, Corning 7980 OF |
| DIAMETER TOLERANCE | +0.1, -0.1mm |
| perpendicularity | < 20 minutes |
| concentricity | < 0.08mm |
| irregularity | λ/8@632.8nm |
| SURFACE QUALITY | 20/10 scratch and dig |
| COATING | With AR coating on outside surface |
| damage threshold | ≥ 15J/cm2 |
| chamfer (big end) | S1: < 0.25mm x 45° |
| chip (small end) | S2: Without chamfer, chips < 0.1mm |