Barium fluoride wedge prism is a high-performance optical component designed for superior infrared and ultraviolet transmission, excellent chemical stability, and resistance to environmental degradation. Manufactured from high-purity BaF₂, it offers outstanding optical clarity, low refractive index, and precise beam deviation, making it an essential material for spectroscopy, aerospace applications, laser systems, and precision scientific instruments. Its durability and resistance to moisture ensure reliable performance in advanced optical technologies.
Product Overview
The barium fluoride wedge prism is an optical element specifically designed for optical systems, featuring a wedge shape. This design effectively eliminates interference effects (Etalon effects) caused by reflected light during beam transmission, enhancing the precision and stability of optical systems. Barium fluoride wedge prisms are widely used in excimer laser systems, infrared optics, thermal imaging systems, and high-energy detectors. The precise machining and polishing processes during manufacturing ensure high accuracy, excellent surface quality, and light transmission. Coating treatments can further enhance its anti-reflection properties.
Key Features
- High Hardness and Impact Resistance: Barium fluoride is a material with high hardness, capable of resisting mechanical and thermal shock, making it suitable for harsh working environments.
- Excellent Light Transmission: Barium fluoride wedge prisms offer outstanding light transmission across ultraviolet, visible, and infrared spectral ranges.
- Elimination of Interference Effects: The wedge-shaped design effectively prevents interference effects caused by reflected light from high-parallelism windows, improving the stability and accuracy of optical systems.
- Wide Spectral Range Adaptability: Barium fluoride exhibits excellent optical properties, especially in the infrared and ultraviolet regions, making it ideal for a variety of wavelengths.
- Coating Treatment: Anti-reflective coatings can be applied to further enhance light transmission, reduce reflection, and increase the efficiency of optical systems.
Applications
- Excimer Laser Systems: In laser systems, the barium fluoride wedge prism ensures efficient beam transmission and improved beam quality.
- Spectrometers and Analyzers: By reducing interference effects, it enhances the accuracy and stability of high-precision spectroscopic analysis.
- Infrared Thermal Imaging Systems: Used to improve the light transmission and stability of imaging systems, suitable for complex operating environments.
- High-Energy Detectors: Used as a high-performance optical element in high-energy physics detection applications.
- Medical Imaging: Due to its high transparency, barium fluoride is an ideal material in X-ray and CT scans, enhancing imaging clarity and aiding accurate diagnoses.
Optical Property | Value |
Transmission Range | 0.15-14 μm |
Transmittance | >94%@0.35nm-10.8μm |
Refractive Index | 1.462@2.58μm, 1.45@5μm |
Reflection Loss | 6.8%@2.58μm (both surfaces) |
6.5%@5μm (both surfaces) | |
5.3%@10.35μm (both surfaces) | |
Absorption Coefficient | 3.2×10⁻⁴@6μm |
Structure | Cubic Crystal System |
Cleavage Planes | <111 |
Physical Property | Value |
Density | 4.89 g/cm³ |
Melting Point | 1386 ℃ |
Thermal Conductivity | 11.72 W/(m·K) @ 286K |
Thermal Expansion | 18.1×10⁻⁶/K @ 273K |
Knoop Hardness | 82 kg/mm² |
Specific Heat Capacity | 410 J/(kg·K) |
Dielectric Constant | 7.33 @ 1 MHz |
Young's Modulus | 53.07 GPa |
Shear Modulus | 25.4 GPa |
Bulk Modulus | 56.4 GPa |
Poisson's Coefficient | 0.343 |
Chemical Property | Value |
Solubility | 1.7 g/L @ 20℃ |
Molecular Weight | 175.3238 g/mol |
Parameter | Range |
Diameter Range | 2-300 mm |
Thickness | 0.12-60 mm |
Surface Finish | 80-50, 60-40, 40-20, 20-10, 10-5 |
Surface Accuracy | λ/2, λ/4, λ/8, λ/10 |
Parallelism | <3' - 30" |
Aperture Transmission | >90% |
Coating | Customizable |