new material
Magnesium fluoride window plate with a circular aperture is a high-performance optical component known for its excellent ultraviolet and infrared transmission, superior chemical stability, and mechanical durability. Manufactured from high-purity MgF₂, it provides outstanding optical clarity, minimal optical distortion, and resistance to moisture degradation, making it an essential material for laser optics, spectroscopy, aerospace applications, and precision scientific instruments. Its ability to function in extreme environments ensures reliable performance in advanced optical technologies.
Product Overview
The Magnesium Fluoride circular aperture window plate is a high-performance optical component based on Magnesium Fluoride material, widely used in optical systems, particularly in protecting electronic sensors or environmental detectors. It effectively isolates internal components from the external environment. Magnesium Fluoride's excellent physical properties, especially its transmission capabilities from deep ultraviolet to mid-infrared wavelengths, make this window plate ideal for use in harsh conditions.
Key Features
- High Chemical Corrosion Resistance: Magnesium Fluoride has excellent resistance to chemical corrosion, effectively withstanding the attack of chemicals in harsh environments.
- Excellent Mechanical and Thermal Shock Performance: Magnesium Fluoride exhibits high mechanical strength and thermal stability, making it resistant to extreme temperature changes and mechanical stresses.
- High Laser Damage Threshold: Magnesium Fluoride has a high laser damage threshold, making it suitable for high-power laser systems.
- Broad Spectral Transmission: Magnesium Fluoride has outstanding transmission properties in the deep ultraviolet to mid-infrared range, allowing for the passage of light from ultraviolet to infrared wavelengths.
- Birefringence: Magnesium Fluoride exhibits birefringence at certain wavelengths, affecting the direction of light propagation, making it ideal for specialized optical applications.
Applications
- Optical Instrument Manufacturing: Used in the manufacturing of high-precision optical instruments as protective windows to shield internal components from external environmental interference.
- Laser Optical Systems: Magnesium Fluoride window plates are widely used in laser systems, especially in high-power laser applications, providing protection for internal components.
- Infrared Spectrometer Manufacturing: In infrared spectrometers, Magnesium Fluoride window plates offer broad spectral transmission, ensuring measurement accuracy.
- Ultraviolet Radiation Sources and Detectors: Suitable for windows in ultraviolet radiation sources and detectors, allowing effective transmission of ultraviolet light while protecting equipment.
| 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 |
