Oriented calcium fluoride (CaF₂) is a precision-engineered optical material designed for enhanced birefringence control, superior wavelength transmission, and optimized structural orientation. Manufactured from high-purity CaF₂ with controlled crystallographic alignment, it provides exceptional optical clarity, strong resistance to thermal variations, and precise refractive index management. This material is widely used in laser optics, spectroscopy, semiconductor lithography, and high-precision optical instruments, ensuring reliable performance in advanced applications.
Product Overview:
Oriented calcium fluoride is a material with exceptional optical properties and a unique crystal structure. Its optical characteristics are optimized in specific directions, offering low reflectivity and high transmission. This makes it particularly suitable for high-precision optoelectronic systems. Through precise crystal orientation, this material can be used in high-power lasers, gyroscopes, and high-precision microscope lenses, providing improved optical control and performance stability.
Key Features:
- Oriented Optical Properties:Optimized optical characteristics along specific crystal orientations, enhancing transmission and reducing reflection in the specified direction.
- Low Reflectivity:Excellent anti-reflective properties, minimizing light reflection losses and improving the efficiency of optical systems.
- High Purity and Low Impurities:High purity and low impurity content ensure stable performance in high-precision optical systems.
- Customizable Shapes:Supports a wide range of shapes and sizes, meeting the needs of various optical applications.
- High Stability:Provides reliable performance in high-precision optical systems, suitable for use in demanding environments.
Applications:
- High-Precision Optical Instruments:Used in the manufacture of high-precision optical lenses, prisms, and windows, enabling accurate light transmission and focusing control.
- Laser Technology:Widely used in high-power lasers to enhance beam transmission efficiency and stability.
- Optical Coatings and Thin Films:Utilized in the production of optical coatings and thin films, improving the performance of optical devices due to its low reflectivity and optimized optical properties.
- Gyroscopes and Microscopes:Employed in precision instruments and measurement devices, providing accurate optical control and high stability.
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 | Oriented CaF₂ |
Available Size | 3-200mm |
Material Grade | VIS-IR, UV, VUV, Excimer Laser |
Transmittance Range | 0.13-10μm |
Crystal Structure | Monocrystalline, Polycrystalline |
Orientation | <111>, <110>, <100>, <001>, <220> |
Blank Shape | Round, rectangular, wedge, lens, step drilled, special-shaped |