Titanium doped Sapphire (Ti:Al2O3) laser crystal is the core material of femtosecond ultra-short pulse laser and watt-level high-power laser technology. The crystal has the advantages of being tunable at wavelength (660-1200nm), wide emission bandwidth (about 600nm), large emission cross section, high thermal conductivity and excellent physical and chemical performance. It is the most widely used tunable laser crystal and the most important working medium for producing ultra-fast and super-high-power laser operation. We can provide large diameter (Maximum diameter 260mm) Ti: Al2O3 laser crystals upon customer request.
| Main parameters of Ti:Sapphire laser crystal | |
| Crystal structure | Hexagonal, a = 4.748, c = 12.957 |
| Lattice constants | |
| Thermal conductivity | 0.105 cal/cm/sec/oC |
| Mohs hardness | 9 Mohs |
| Density | 3.98 g/cm3 |
| Ti2O3 concentration | 0.05-0.5 wt% |
| Absorption range / absorption peak | 400-600 nm / 488nm |
| Absorption coefficient (α490nm) | 1.0-7.5cm-1 |
| FOM value | 100~300 |
| Tuned range / Emission peak | 660-1050 nm / 795nm |
| Refractivity | 1.76 @ 800 nm |
| Decay lifetime | 3.2 μs (T = 300 K) |
| Diameter | 5~250mm |
| Thickness | 1~80mm |
| Cutting | flat or Brewster ends or custom specified |
| Orientation | [0001] normal to rod axis |
| Flatness | 0.1-0.2 λ @633nm |
| Parallelism | 10 arcsec |
| S/D | 20/10 scratch/dig |
