Excimer laser magnesium fluoride (MgF₂) is a high-purity optical material specifically designed for superior transmission at excimer laser wavelengths, exceptional durability, and minimal optical distortion. Engineered with precise crystalline structure and strong resistance to radiation damage, it offers optimized performance for laser optics, semiconductor lithography, aerospace applications, and scientific instrumentation. MgF₂ ensures reliable operation in high-energy laser environments, making it an essential component for precision optical systems.
Product Overview:
Excimer laser magnesium fluoride is a material with excellent optical properties, widely used in excimer lasers. It features high transmission, low light energy loss, high stability, and long service life, making it particularly suitable for lasers across the ultraviolet to far-infrared spectrum. Magnesium fluoride can effectively withstand high-energy-density laser beams while maintaining stable optical performance, making it an essential material in excimer laser systems. With superior precision machining capabilities, it meets the demands of complex shapes and high-standard optical components.
Key Features:
- High Transmission:Exhibits excellent light transmission across the ultraviolet to far-infrared spectrum, ensuring high efficiency in laser systems.
- Low Light Energy Loss:Minimizes optical losses, contributing to improved laser output power and stability.
- High Stability:Excellent optical stability, capable of withstanding high-energy-density laser beams.
- Long Service Life:Chemically stable, resistant to high-energy laser irradiation, which extends the material's lifespan.
- Superior Machining Performance:Suitable for high-precision cutting, grinding, and polishing, accommodating custom shapes and sizes.
Applications:
- Excimer Lasers:Widely used in excimer lasers such as argon fluoride, krypton fluoride, and xenon chloride lasers, serving as optical components like laser windows, beam-shaping elements, and optical filters.
- Laser Amplifiers:Due to its high transmission and stability, MgF₂ is used as a key material in laser amplifiers.
- High-Precision Optical Components:Used to manufacture optical components that require high precision and optical quality, suitable for a wide range of optical instruments and systems.
- Laser Band Applications:Particularly suitable for ultraviolet laser applications, making it a valuable optical material in laser systems.
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 |
Property | Value |
Material Name | Excimer Laser MgF₂ |
Available Size | 3-200mm |
Material Grade | DUV, VUV |
Typical Wavelength | 193nm, 248nm, 308nm |
Crystal Structure | Monocrystalline |
Orientation | <001>, <100>, <110>, <210> |
Blank Shape | Round, rectangular, wedge, lens, step drilled, special-shaped |