new material
Barium fluoride window plate with a circular aperture 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, minimal optical distortion, and durability, making it an essential material for spectroscopy, aerospace applications, laser systems, and precision scientific instruments. Its resistance to moisture and thermal fluctuations ensures reliable performance in demanding optical environments.
Product Overview
The Barium Fluoride circular aperture window plate is a high-quality optical component widely used as a protective window for electronic sensors and external environmental detectors. Its unique circular aperture design allows specific wavelengths of light to pass through while effectively shielding optical instruments from external environmental interference. As a substrate material, Barium Fluoride exhibits excellent optical and mechanical properties, making it especially suitable for high-performance optical systems in low-temperature, aerospace, and laser applications.
Key Features
- High Transparency: Barium Fluoride offers excellent transparency across ultraviolet, visible, and infrared wavelengths, effectively transmitting light and maintaining the high performance of optical systems.
- Mechanical and Thermal Shock Resistance: Barium Fluoride is highly resistant to mechanical and thermal shock, ensuring stable performance even in harsh environmental conditions.
- Precision Processing: With precise processing and polishing techniques, the window plates are manufactured to exact shapes with smooth surfaces, meeting the needs of high-precision optical applications.
- Anti-Reflection Properties: Optional coatings can be applied to further enhance the transmission rate and reduce reflection, improving the efficiency of optical systems.
Applications
- Low-Temperature Cryogenic Imaging Systems: Provides stable performance in low-temperature environments, widely used in infrared imaging and detection systems.
- Aerospace Optical Systems: Used in optical equipment for spacecraft, ensuring the reliability and stability of optical systems in space conditions.
- Laser Optical Systems: Serves as key components such as lenses, beam splitters, and optical filters in laser systems, ensuring optimal performance.
- Infrared and Ultraviolet Window Plates: Ideal for infrared and ultraviolet spectral windows, playing an important role in infrared and ultraviolet sensors.
| 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 |
