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Titanium-doped sapphire (Ti:Al 2 O 3 ) laser crystal is the core material for femtosecond ultrashort pulse laser and petawatt-level high-power laser technology. The crystal has tunable wavelength (660-1200nm) and wide emission bandwidth ( About 600nm),
Product Description
Titanium-doped sapphire (Ti:Al 2 O 3 ) laser crystal is the core material for femtosecond ultrashort pulse laser and petawatt-level high-power laser technology. The crystal has tunable wavelength (660-1200nm) and wide emission bandwidth ( About 600nm), large emission cross-section, high thermal conductivity, excellent physical and chemical properties, etc., is currently the most widely used tunable laser crystal and the most important working medium for ultra-fast, ultra-intense and high-power
Main Features
Broad wavelength tunability
Broad absorption pump band
Excellent output efficiency
Short excited state lifetime (3.2 mm)
Narrow clamp width
high damage threshold
Excellent thermal conductivity
Material Properties
| Doping concentration | 0.0 6 -0.5 wt% |
| Absorption range/absorption peak position | 400-600nm / 488nm |
| Absorption coefficient ( @ 490nm) | 1.0-7.5cm -1 |
| FOM value | 100~300 |
| Tuning Range/Emission Peak | 660-1050nm / 795nm |
| Refractive index | 1.76 @ 800nm |
| Fluorescence lifetime | 3.2μs (T = 300K) |
| Crystal structure and unit cell parameters | Hexagonal, a=4.748 Å , c=12.957 Å |
| Thermal conductivity | 0.105cal/cm/sec/℃ |
| Mohs hardness | 9 Mohs |
| Density | 3.98 g/ cm3 |
Product Parameters
| Diameter size | 3 ~ 220mm _ |
| Length | 1~80mm |
| Cutting method | Flat, Brewster's corner or customized |
| Orientation | [0001] |
| Wavefront distortion | ＜λ/4@632nm |
| Flatness | ＜λ/8@632nm |
| Clear aperture | >90% |
| Parallelism | <10" |
| Surface quality | 10/5 |
| Coating | According to customer requirements |
