Tm：YAG
Tm:YAG (Tm³⁺:Y₃Al₅O₁₂) is a 2 μm laser crystal suitable for AlGaAs diode pumping.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material Processing Parameters-Tm Doping Concentration | 0.5 at%~5 at% |
| Material Processing Parameters-Product Model Specifications-Transverse Dimensions | 2~10 mm |
| Material Processing Parameters-Product Model Specifications-Length [Customizable] | 3~150 mm (customizable) |
| Material Processing Parameters-Crystal Orientation | <111>±5 ° |
| Material Processing Parameters - Dimensional Tolerance - Diameter (Φ) | +0/-0.04 mm |
| Material Processing Parameters - Dimensional Tolerance - Length (L) | +0.5/-0 mm |
| Material Processing Parameters - Perpendicularity | ≤5 ′ |
| Material Processing Parameters - Parallelism | ≤10 ″ |
| Material Processing Parameters-Chamfer | 0.15±0.05 mm |
| Material Processing Parameters - Surface Finish | 10/5 |
| Material Processing Parameters-Cylindrical Machining | Fine grinding, polishing, threading |
| Material Processing Parameters-End Face Flatness [632.8nm] | ≤λ/8@632.8 nm |
| Material Processing Parameters-Wavefront Distortion [632.8nm] | ≤λ/8 per inch@632.8 nm |
| Material Processing Parameters-Coating [2μm] | Anti-reflection coating: ≤0.25 % @2 μm |
| Material Spectral Parameters-Laser Transition | ³F₄→³H₆ |
| Material Spectral Parameters-Laser Wavelength | 1870 nm~2160 nm |
| Material Spectral Parameters-Emission Cross-section [2013nm] | 2.9×10⁻²⁰ cm²@2013 nm |
| Material Spectral Parameters-Refractive Index [632nm] | 1.83@632 nm |
| Material Spectral Parameters-Temperature Dependence of Refractive Index | 7.3×10⁻⁶ /K |
| Material Spectral Parameters - Fluorescence Lifetime | 11 ms |
| Material Spectral Parameters-Diode Pumping Band | 680 nm、785 nm |
| Material physical and chemical parameters - Crystal structure | Cubic crystal system |
| Material physical and chemical parameters - Melting point | 1970 ℃ |
| Material physical and chemical parameters - Density | 4.56±0.04 g/cm³ |
| Material physical and chemical parameters - Specific heat [0~20℃] | 0.59 J/g.cm³ @0~20 ℃ |
| Material Physical and Chemical Parameters-Elastic Modulus | 310 GPa |
| Material Physical and Chemical Parameters-Young's Modulus | 3.17×10⁴ kg/mm² |
| Material physical and chemical parameters - Mohs hardness | 8.5 |
| Material Physical and Chemical Parameters-Poisson's Ratio | 0.25 |
| Material Physical and Chemical Parameters - Thermal Expansion Coefficient (<111>) | 7.8×10⁻⁶ /K |
| Material Physical and Chemical Parameters-Thermal Expansion Coefficient (<100>) | 8.2×10⁻⁶ /K |
| Material Physical and Chemical Parameters-Thermal Expansion Coefficient (<110>) | 7.7×10⁻⁶ /K |
| Material Physical and Chemical Parameters-Thermal Conductivity [20℃] | 14 W/m/K@20 ℃ |
| Material Physical and Chemical Parameters-Thermal Conductivity [100℃] | 10.5 W/m/K@100 ℃ |
| Material Physical and Chemical Parameters - Thermo-Optic Coefficient | 7.3×10⁻⁶ /K |
Applications
Key Features
Datasheet
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