Ti:sapphire(Ti:Al2O3)
Ti:Sapphire(Ti:Al2O3) is used in high-power,high-gain,broadly tunable ultrashort-pulse lasers. Temperature-gradient(TGT) growth provides large high-quality crystals with low scattering,high gain and high laser-damage threshold.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Molecular Formula | Ti3+:Al2O3 |
| Crystal Structure | Hexagonal Crystal System |
| Lattice Constants | a=4.758 Å，c=12.991 Å |
| Density | 3.98 g/cm³ |
| Melting Point | 2040 ℃ |
| Mohs Hardness | 9 Mohs |
| Thermal Conductivity | 52 W/m/k |
| Specific Heat | 0.42 J/g/K |
| Laser Generation | Four-Level |
| Fluorescence Lifetime [T=300K] | 3.2 μs（T=300 K） |
| Tuning Range | 660-1050 nm |
| Absorption Range | 400-600 nm |
| Emission Peak | 795 nm |
| Absorption Peak | 488 nm |
| Refractive Index [800 nm] | 1.76 @ 800 nm |
| Peak Cross Section | 3~4×10⁻¹⁹ cm² |
| Coefficient of Thermal Expansion | 8.40×10⁻⁶ /℃ |
| Orientation | The C Axis Is the Optical Axis, Which Is Perpendicular to the Crystal Surface |
| Ti2O3 Concentration | 0.06-0.26 at.% |
| Figure of Merit [Custom Products ＞250 Available] | 100~250 units (custom products >250 available) |
| Diameter | 2~30 mm（ customizable ） |
| Optical Path Length | 2~30 mm（ customizable ） |
| End Face | Two Parallel Plane Surfaces or Both Ends Brewster-Cut |
| Surface Finish [With Reference to Standard MIL-PRF-13830B] | 40/20, Refer to MIL-PRF-13830B |
| Flatness [633 nm] | ≤λ/8 @ 633 nm |
| Transmitted Wavefront Distortion [633 nm] | ≤λ/4 @ 633 nm |
| Parallelism | 20" |
| Perpendicularity | ≤15′ |
| Growth Method | Temperature Gradient (TGT) Growth Method |
| Large Crystal Sizes Available | Diameter 120×80 mm² |
| Dislocation Density | ＜102 cm⁻² |
| Dopant Concentration Characteristics a₄₉₀ | a₄₉₀=7.5cm⁻¹ |
| Dopant Concentration Characteristics α490 | α490=4.0 cm⁻¹ |
Applications
Key Features
Datasheet
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Supplier Information
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