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Ti:Sapphire
Premium Ti:Sapphire Crystals: The Ultrashort Pulse Engine
When engineering broadly tunable and femtosecond laser systems, optical scatter is fatal. ATR Crystal utilizes the advanced Temperature Gradient Technique (TGT) to grow massive, optically flawless Titanium-doped Sapphire (Ti:Sapphire) crystals, delivering the ultimate high-gain core for the world’s most intense pulsed lasers.
- Massive Flawless Apertures: Delivering large-scale geometries (up to Dia. 30x30mm) with absolutely zero light scatter and an ultra-low dislocation density of <102cm-2.
- Precision TGT Growth: Characterized by strict (0001) oriented growth and an exceptionally high doping level (a490= 4.0cm-1) for unmatched optical gain.
- Extreme Damage Threshold: Engineered with pristine structural integrity to effortlessly withstand the brutal peak powers of amplified ultrashort pulses.
Description
Description
Advantages
1 ) Femtosecond pulse laser material
2 ) Coordinated output wavelength range : 650~1100nm
3 ) High efficiency
Specifications
| Material | Ti:Sapphire |
|---|---|
| Dopant Concentration | 0.06 – 0.26at % |
| Orientation | A-Axis within 5° |
| Dimension | Diameter:2-30mm, Length:2-30mm(upon customer’s request) |
| Diameter Tolerance | +/-0.1mm |
| Length Tolerance | +/-0.1mm |
| Wavefront Distortion | <λ/8 per inch@632.8nm |
| Chamfer | <0.2@45° |
| Wavefront Distortion | λ/8 @632nm |
| Clear Aperture | >90% |
| Flatness | λ/8 per inch@632.8nm |
| Scratch/Dig | 10-5 @MIL-0-13830A |
| Perpendicularity | ≤15 arc minutes |
| Parallelism | <10 arc seconds |
| Anti-Reflection Coating | R<5.0%@532nm per surface; R<0.5%@650~850nm per surface |
Properties
| Chemical Formula | Ti3+: Al2O3 |
|---|---|
| Crystal Structure | Hexagonal |
| Lattice Constants | a=4.758, c=12.991 |
| Density | 3.98 g/cm3 |
| Melting Point | 2040℃ |
| Mohs Hardness | 9 |
| Thermal Conductivity | 52 W/m/k |
| Specific Heat | 0.42 J/g/k |
| Laser Action | 4-Level Vibronic |
| Fluorescence Lifetime | 3.2μs (T=300K) |
| Tuning Range | 660 – 1050 nm |
| Absorbtion Range | 400 – 600 nm |
| Emission Peak | 795 nm |
| Absorption Peak | 488 nm |
| Refractive Index | 1.76 @ 800 nm |
| Peak Cross-Section | 3-4×10-19cm2 |
| Thermal Expansion | 8.40×10-6/℃ |