CLASER develops a stretched turning prism for small laser cavity application. It is very good to use this stretched turning prism to replace turning mirror, which can easily be mounted onto a resonant spring device or a simple DC motor to provide a mechanical Q-switching function in the laser cavity. Because our stretched turning prism has its advantage compare to turning mirror:
| Material | Fused silica or BK7 |
| Dimension tolerance | +/-0.1mm |
| Flatness | 1/10 @ 633nm |
| Surface roughness | <10 A rms |
| Angle tolerance | < 1 arcmin |
| Surface quality | 10-5 |
| Coating | AR coating on face 1 |
| Laser damaged threshold | 20J per 10ns at 1535nm |