Strontium Fluoride SrF2
DESIOPTOE is a professional manufacturer of fluoride crystals. SrF₂ crystal offers excellent optical properties, with broad transmission from vacuum ultraviolet to infrared, ensuring stable and precise light propagation. Widely used in laser technology, SrF₂ serves as a laser crystal substrate and, when doped with rare-earth ions, enables efficient laser emission for research, medical, and industrial applications. Its high infrared transmittance makes it ideal for IR windows, lenses, and components in night vision and infrared detection. SrF₂ also enhances optical instruments by improving performance and resolution. DESIOPTOE can provide SrF₂ crystal blanks and optical components in various specifications within 200mm.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Crystal Structure | Cubic |
| Cleavage Plane | (111) |
| Lattice Constant | a=5.56Å |
| Molecular Mass | 125.62g/mol |
| Density | 4.24g/cm³ |
| Melting Point | 1473°C |
| Solubility [H₂O at 20°C] | 1.16g/L H₂O at 20°C |
| Heat Capacity | 0.543J/(g·K) |
| Thermal Conductivity [@293K] | 8.3W/(m·K) @293K |
| Linear Thermal Expansion Coefficient [@293K] | 18.4×10⁻⁶/K @293K |
| Young's Modulus | 99.9 GPa |
| Poisson's Ratio | 0.274 |
| Mohs Hardness | 3.54 |
| Refractive Index n | n=1.442 |
| Refractive Index v_d | v_d=81 |
| Bubbles/Inclusions | ISO 10110 – 1 x 0.02 |
| Scratch/Dig Limit | 40-20 |
| Micro-roughness Limit | ≤0.5nm |
| Wavefront errors Limit | λ/10 |
| Crystal Orientations | (111) (001) (100) orientations are offered |
| Surface Finishing | TSK/ Wire Cutting, Fine Grinding, Precision Polishing, Coating |
| Optical Components | Window, Wedge, Prism, Plano-Convex Lens, Plano-Concave Lens, Biconvex Lens, Biconcave Lens, Meniscus Lens |
| Coatings | Anti-Reflection, High-Reflection |
Applications
Key Features
Datasheet
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Supplier Information
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