Magnesium fluoride wedge plates are high-performance optical components recognized for their superior ultraviolet and infrared transmission, excellent chemical stability, and precise beam deviation control. Manufactured from high-purity MgF₂, these wedge-shaped plates offer outstanding optical clarity, minimal scattering, and durability, making them essential for laser optics, spectroscopy, aerospace applications, and precision scientific instruments. Their resistance to moisture and thermal fluctuations ensures reliable performance in demanding optical environments.
Product Overview
Magnesium Fluoride (MgF2) wedge plates are optical elements with unique properties, designed with a special wedge shape. This design helps to effectively prevent interference effects (Etalon effect) caused by reflections from high-parallelism windows, while also reducing optical feedback interference in the laser cavity. As a result, they improve the stability of laser output and prevent mode hopping. Magnesium fluoride is a high-performance optical material known for its excellent transmission, low reflection, high mechanical strength, and chemical stability. It is widely used in various optical systems, especially in fields like lasers, fiber optics, microscopes, telescopes, and aiming devices, where it provides superior light control and clearer images.
Key Features
- High Transmission: Magnesium fluoride offers exceptionally high transmission, particularly suitable for optical applications in the ultraviolet to infrared wavelength range.
- Low Reflection: With extremely low surface reflectivity, it reduces light loss and improves system efficiency.
- High Mechanical Strength: The material has excellent impact resistance and mechanical strength, making it stable in harsh environments.
- High Laser Damage Threshold: Can withstand strong laser radiation, making it ideal for laser applications.
- Excellent Chemical Stability: Resistant to various chemical environments, ensuring long-term stable performance.
- Low Dispersion: Magnesium fluoride has low dispersion, making it suitable for high-precision optical instruments.
Applications
- Laser Technology: Widely used in high-power laser systems, such as lasers and lidar, as optical components like windows, lenses, and polarizers.
- Optical Instruments: Provides superior optical performance in telescopes, microscopes, and aiming devices, enhancing image quality.
- Infrared and Ultraviolet Optics: Applied in optical instruments and sensors operating in the infrared and ultraviolet wavelengths, improving light transmission and system stability.
- Fiber Optic Technology: Used in optical windows and connectors for fiber optic communication and related technologies to ensure efficient light signal transmission.
- Laser Medical Applications: Essential in laser therapy and surgical equipment, providing precise laser control for medical procedures.
- Optical Coatings: Used in optical coatings like antireflection films and high-reflection coatings to enhance the performance of optical components.
- Biomedical Applications: Applied in biological optical imaging and photodynamic therapy, leveraging its biocompatibility for drug delivery and tissue imaging.
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 |