Cr4+:YAG
Cr4+:YAG crystals are primarily high-performance passive Q-switch crystals for 1μm neodymium and ytterbium lasers. ...
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Overview
Specifications
| Parameter | Value |
|---|---|
| Crystal Orientation | [100] or [111], deviation within 5ᵒ |
| Initial absorption coefficient | 0.5～6cm⁻¹ @1064nm |
| Initial transmittance | 5%~95%@1064nm |
| Component dimensions | Diameter: 3～12mm; cross section: 3×3~12×12mm |
| Dimensional Tolerance | Diameter :+0.00/-0.05mm; Thickness : ±0.5mm |
| Cylindrical Processing | 400# abrasive fine grinding |
| End-Face Parallelism | ≤30" |
| End-Face Flatness | λ/8 @632.8nm |
| Surface Quality | 20-10 (MIL-O-13830A) |
| Antireflection Coating Reflectance | ≤0.25%@1064nm |
| Coating Laser Damage Threshold | ≥500MW/cm² |
| Crystal Structure | Cubic crystal system |
| Lattice Constant | 12.01 Å |
| Melting Point | 1970℃ |
| Mohs Hardness | 8.5 |
| Density | 4.56±0.04g/cm³ |
| Specific heat | 0.59J/g. cm³@0-20℃ |
| Elastic modulus | 310GPa |
| Young's modulus | 3.17×10⁴Kg/mm² |
| Poisson's ratio | 0.3 |
| Tensile strength | 0.13~0.26GPa |
| Thermal expansion coefficient | [100] Direction :8.2×10⁻⁶/K@0~250℃ |
| Thermal expansion coefficient | [110] Direction :7.7×10⁻⁶/K@0~250℃ |
| Thermal expansion coefficient | [111] Direction :7.8×10⁻⁶/K@0~250℃ |
| Thermal Conductivity | 14W/m/K@20℃ |
| Thermal Conductivity | 10.5W/m/K@100℃ |
| Thermo-Optic Coefficient | dn/dT =7.3×10⁻⁶/K |
| Thermal shock resistance | 790W/m |
| Solubility | Insoluble in water, slightly soluble in common acids |
Key Features
Datasheet
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Supplier Information
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