new material
Infrared calcium fluoride (CaF₂) is a high-performance optical material known for its excellent infrared transmission, low dispersion, and strong resistance to environmental degradation. Manufactured from high-purity CaF₂, it provides superior optical clarity, exceptional thermal stability, and precise wavelength control, making it ideal for infrared optics, laser applications, spectroscopy, and scientific instrumentation.
Product Overview:
Infrared Calcium Fluoride is an optical material known for its exceptional infrared light transmission properties. With over 80% transmission in the infrared spectrum, it is an essential component in infrared sensors, infrared thermographic cameras, and other optical instruments. In addition to its outstanding transparency, infrared CaF₂ features high thermal stability, excellent mechanical strength, corrosion resistance, and a low thermal expansion coefficient. These properties make it suitable for high-temperature and extreme environmental conditions, with wide applications in military, aerospace, medical, and other demanding fields.
Key Features:
- High Transparency:With over 80% transmission in the infrared spectrum, it effectively conveys infrared light signals.
- Thermal Stability:Exhibits excellent thermal conductivity and a low thermal expansion coefficient, ensuring stable performance even in high-temperature environments.
- Mechanical Strength and Corrosion Resistance:Offers high hardness and resistance to corrosion, making it ideal for high-stress environments and ensuring long-term stability.
- Low Absorption and Fluorescence Radiation:Minimizes energy loss and signal interference, ideal for high-power laser systems.
- Excellent Chemical Stability:Performs well under extreme conditions, unaffected by chemical environments.
Applications:
- Infrared Optical Instruments:Widely used in infrared sensors, thermal imagers, telescopes, and other optical instruments for high-quality infrared light transmission.
- Infrared Communication and Laser Technology:A key material for infrared communication and laser systems, ensuring high transmission efficiency and minimal signal distortion.
- Military and Aerospace:Due to its high thermal stability and corrosion resistance, it is extensively used in military and aerospace equipment that require reliable performance under extreme conditions.
- Medical Devices:Used in infrared imaging systems, providing high-quality image signals for medical diagnostics.
- Nonlinear Optical Devices and Optical Limiters:Applied in the production of advanced optical devices, improving system performance in specialized applications.
| Optical Property | Value |
| Transmission Range | 0.13-10 μm |
| Transmittance | >94%@193nm-7.87μm |
| Refractive Index | 1.4288@2.5μm, 1.39908@5μm |
| Reflection Loss | 5.4%@5μm (both surfaces) |
| Absorption Coefficient | 7.8×10⁻⁴@2.7μm |
| Structure | Cubic Crystal System |
| Cleavage Planes | <111 |
| Physical Property | Value |
| Density | 3.18 g/cm³ |
| Melting Point | 1420 ℃ |
| Thermal Conductivity | 9.71 W/(m·K) @ 293K |
| Thermal Expansion | 18.5×10⁻⁶/K @ 273K |
| Knoop Hardness | 158.3 kg/mm² |
| Specific Heat Capacity | 854 J/(kg·K) |
| Dielectric Constant | 6.76 @ 1 MHz |
| Young's Modulus | 75.8 GPa |
| Shear Modulus | 33.77 GPa |
| Bulk Modulus | 82.71 GPa |
| Poisson's Coefficient | 0.26 |
| Chemical Property | Value |
| Solubility | 0.016 g/L @ 20℃ |
| Molecular Weight | 78.0748 g/mol |
| Property | Value |
| Material Name | Infrared CaF₂ |
| Available Size | 3-420mm |
| Material Grade | VIR |
| Transmittance Range | 0.4-10μm |
| Crystal Structure | Monocrystalline, Polycrystalline |
| Orientation | <111>, <110>, <100>, <001>, <220> |
| Blank Shape | Round, rectangular, wedge, lens, step drilled, special-shaped |
