Pure YAG Crystal
Undoped YAG is important for bonded-crystal components and UV/IR windows. High strength, thermal conductivity, optical quality and chemical stability resemble sapphire substrates/windows. Cubic symmetry eliminates natural birefringence and provides good homogeneity. Leisheng Qiangshi produces high-quality large undoped YAG for bonding components and UV/IR windows.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Technical Specifications - Crystal Orientation [Deviation Within 5o] | [111], Deviation Within 5o |
| Technical Specifications - Wavefront Distortion [25mm] | ≤ 0.125λ/25mm |
| Technical Specifications - Crystal Rod Dimensions | Diameter: 2-15 mm, Length: 3-200 mm; Available to Customer Requirements |
| Technical Specifications - Dimensional Tolerance | Diameter: +0.00/-0.05mm, Thickness: +0.1/-0.00mm |
| Technical Specifications - Cylindrical Surface Processing | Fine Ground or Polished |
| Technical Specifications - End-Face Parallelism | ≤30" |
| Technical Specifications - End-Face Flatness | λ/10 |
| Technical Specifications - Surface Quality [MIL-O-13830A] | 10-5 (MIL-O-13830A) |
| Technical Specifications - Bevel [±0.05mm] | 0.15±0.05mm |
| Technical Specifications - Antireflection Coating Reflectance [Partial and High-Reflection Coatings at Specific Wavelengths Can Be Customized to Customer Requirements] | ≤0.2%@Specific Wavelength; Partial- and High-Reflection Coatings Customizable to Customer Requirements |
| Optical and Spectral Properties - Refractive Index [1064nm] | 1.8197@1064nm |
| Optical and Spectral Properties - Transmission Wavelength Range | 250~5000nm |
| Optical and Spectral Properties - Optical Damage Threshold [1064nm] | ≥15Jcm-2@1064nm |
| Physical and Chemical Properties - Crystal Structure | Cubic Crystal System |
| Physical and Chemical Properties - Lattice Constant | 12.01 Å |
| Physical and Chemical Properties - Melting Point | 1970℃ |
| Physical and Chemical Properties - Mohs Hardness | 8.5 |
| Physical and Chemical Properties - Density [±0.04g/cm3] | 4.56±0.04g/cm3 |
| Physical and Chemical Properties - Specific Heat [0-20℃] | 0.59J/g. cm3@0-20℃ |
| Physical and Chemical Properties - Elastic Modulus | 310GPa |
| Physical and Chemical Properties - Young's Modulus | 3.17 Kg/mm2 × 104 Kg/mm2 |
| Physical and Chemical Properties - Poisson's Ratio | 0.3 |
| Physical and Chemical Properties - Tensile Strength | 0.13~0.26GPa |
| Physical and Chemical Properties - Thermal Expansion Coefficient [[100] Direction; 0~250℃] | [100] Direction: 8.2×10-6/K@0~250℃ |
| Physical and Chemical Properties - Thermal Expansion Coefficient [[110] Direction; 0~250℃] | [110] Direction: 7.7×10-6/K@0~250℃ |
| Physical and Chemical Properties - Thermal Expansion Coefficient [[111] Direction; 0~250℃] | [111] Direction: 7.8×10-6/K@0~250℃ |
| Physical and Chemical Properties - Thermal Conductivity [20℃] | 14W/m/K@20℃ |
| Physical and Chemical Properties - Thermal Conductivity [100℃] | 10.5W/m/K@100℃ |
| Physical and Chemical Properties - Thermo-Optic Coefficient dn/dT | dn/dT= 7.3×10-6/K |
| Physical and Chemical Properties - Thermal Shock Resistance | 790W/m |
| Physical and Chemical Properties - Solubility | Insoluble in Water, Slightly Soluble in Common Acids |
Key Features
Datasheet
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