new material
Barium fluoride window plate with a rectangular 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 and durability, making it an essential material for spectroscopy, aerospace applications, laser systems, and scientific instruments. Its resistance to moisture and harsh conditions ensures reliable performance in precision optical technologies.
Product Overview
The barium fluoride rectangular aperture window plate is a high-performance optical component commonly used as a protective window in electronic sensors, detectors, and optical systems. Made from barium fluoride (BaF₂), it features excellent hardness and strong resistance to thermal and mechanical shock. The rectangular aperture design allows specific wavelengths of light to pass through while effectively protecting the internal components of the optical system from external environmental influences. Its excellent transparency across ultraviolet, visible, and infrared spectral ranges makes it ideal for applications in cryogenic imaging systems, aerospace optical systems, and laser optics.
Key Features
- High Transmission Rate: The barium fluoride window plate offers exceptional transparency in ultraviolet, visible, and infrared ranges, particularly in the 2-8μm wavelength range, where transmission can reach up to 95%.
- Durability: Barium fluoride has high hardness, excellent resistance to mechanical and thermal shock, and is able to perform reliably in harsh environmental conditions.
- Precision Manufacturing: The window plate undergoes precise processing and polishing techniques, ensuring a smooth surface that minimizes light scattering and maintains high transmission efficiency.
- Anti-Reflection Performance: The plate can be coated with anti-reflection layers to further improve transmittance and reduce reflection, optimizing the optical performance.
- High Stability: Barium fluoride exhibits outstanding chemical stability, maintaining stable optical performance in high-temperature, low-temperature, and corrosive environments.
Applications
Barium fluoride rectangular aperture window plates are widely used in various high-end optical fields, particularly in the following applications:
- Cryogenic Imaging Systems: Used as optical windows, these plates ensure system performance stability and improve the quality of optical images.
- Aerospace Optical Systems: Providing high-quality optical windows for spacecraft, these plates allow light transmission while protecting sensitive internal equipment from external conditions.
- Laser Optical Systems: Used as lenses, beam splitters, and optical filters in lasers, optimizing light signal transmission.
- Optical Communication: In optical communication systems, these window plates offer high transparency and ensure efficient signal transmission.
- Solar Energy Applications: Used in solar optical systems, they optimize light transmission efficiency and reduce reflection losses.
| 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 |
