Specifications:
| Type | Flat mirror | Substrate Material | C7980-0F |
| Diameter | 25.4(+0.0/-0.1)mm | Thickness | 6.35(+/-0.1)mm |
| Flatness | λ/10 | Surface Quality | 20/10 S/D |
| Chamfer | 0.2mmx45° | Coating | Low GDD@950-1100nm |
| GDD | ±20fs^2 | Angle of Incidence | 45° |
| Laser Damage Threshold | 2J @1030nm,100ps,100hz | Reflectance | R,(S+P/2)>99.9% |
The 125-042 low GDD dielectric mirror with wavelength range 950-1100nm, diameter 25.4mm, thickness 6.35mm, is optimized for Yb+ Ultrafast lasers at 45deg angle of incidence. The low group delay dispersion helps to keep the pulse integrities.
