new material
Magnesium fluoride window plate with a rectangular aperture is a high-performance optical component recognized for its superior ultraviolet and infrared transmission, excellent chemical stability, and durability in harsh environmental conditions. Manufactured from high-purity MgF₂, it provides outstanding optical clarity and low refractive index, making it an essential material for laser optics, spectroscopy, aerospace applications, and precision scientific instruments. Its resistance to moisture and thermal fluctuations ensures reliable performance in demanding optical environments.
Product Overview
The magnesium fluoride rectangular aperture window plate is a high-performance optical component commonly used in optical systems. Made from magnesium fluoride (MgF₂), it features a rectangular aperture design that allows specific wavelengths of light to pass through while blocking others effectively. This makes it particularly suitable for applications in spectroscopy, optical communication, and other precision optical systems. With its excellent optical performance, the magnesium fluoride window plate provides accurate optical characteristics and tight dimensional tolerances, meeting high-standard application requirements.
Key Features
- High Transmission Rate: Magnesium fluoride window plates provide excellent transmission across ultraviolet, visible, and infrared wavelengths, effectively transmitting light and optimizing system performance.
- Outstanding Reflectivity: The plate has low reflectivity, minimizing light reflection losses and improving optical system transmission efficiency.
- High Hardness and Durability: Magnesium fluoride is a robust material, resistant to wear and tear, making it suitable for use in harsh environments while providing long-term stable optical performance.
- Precision Manufacturing: Manufactured through precise processing and polishing, the surface quality is smooth, ensuring accurate optical performance.
- Coating Options: Available with coating treatments (such as MgF₂, UV-AR, UV-VIS, VIS-EXT, VIS-NIR) to further enhance transmittance and anti-reflection properties.
Applications
Magnesium fluoride rectangular aperture window plates are widely used in high-end optical fields, especially in the following applications:
- Spectroscopy: Used in spectral analysis and spectrometers, these plates help separate light of different wavelengths.
- Optical Communication: Used in optical communication systems as optical windows, optimizing signal transmission efficiency.
- Electronic Sensor Protection: Acts as a protective window for electronic sensors, isolating the internal components from external environments to ensure stability.
- Laser Technology: Applied in laser optical systems, including lasers, lenses, and other optical components, improving optical performance and transmission efficiency.
| Optical Property | Value |
| Transmission Range | 0.12-9 μm |
| Transmittance | >90%@0.193-6μm |
| Refractive Index | NO=1.566, Ne=1.568@0.13μm |
| NO=1.334, Ne=1.343@5μm | |
| Reflection Loss | 11.2%@0.12μm (both surfaces) |
| 5.7%@0.22μm (both surfaces) | |
| 5.1%@1μm (both surfaces) | |
| Absorption Coefficient | 40×10⁻³@2.7μm |
| Structure | Square Crystal System |
| Cleavage Planes | <100 |
| Physical Property | Value |
| Density | 3.177 g/cm³ |
| Melting Point | 1255 ℃ |
| Thermal Conductivity | 21 W/(m·K) //c, 33.6⊥c @ 300K |
| Thermal Expansion | 13.7×10⁻⁶/K //c, 8.9×10⁻⁶/K ⊥c @ 373K |
| Knoop Hardness | 415 kg/mm² |
| Specific Heat Capacity | 1003 J/(kg·K) |
| Dielectric Constant | 4.87 //c, 5.44⊥c @ 1MHz |
| Young's Modulus | 138.5 GPa |
| Shear Modulus | 54.66 GPa |
| Bulk Modulus | 101.32 GPa |
| Poisson's Coefficient | 0.276 |
| Chemical Property | Value |
| Solubility | 0.002 g/L @ 20℃ |
| Molecular Weight | 62.3018 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 |
