new material
Calcium fluoride wedge window plates are high-performance optical components designed for superior infrared and ultraviolet transmission, excellent chemical stability, and precise beam deviation control. Manufactured from high-purity CaF₂, these wedge-shaped windows provide outstanding optical clarity, minimal scattering, and durability, making them essential for spectroscopy, aerospace applications, laser systems, and precision scientific instruments. Their moisture resistance and thermal stability ensure reliable performance in demanding optical environments.
Product Overview
Calcium Fluoride (CaF2) wedge window plates are optical components made from high-quality calcium fluoride crystals, designed with a specific wedge shape. This design helps to effectively eliminate interference effects caused by reflection from high-parallelism windows, thus improving the stability and performance of optical systems. These wedge window plates are widely used in excimer laser systems, where they help to guide and focus the laser beam, enhancing the precision and efficiency of treatments. The plates have excellent optical properties and can withstand high-energy laser exposure, meeting the demanding requirements of laser systems.
Key Features
- Excellent Light Transmission: Calcium fluoride crystals have a wide transmission range, allowing efficient transmission of light at specific wavelengths.
- High Laser Damage Threshold: These plates can withstand high-energy laser exposure, making them suitable for high-power laser applications.
- Special Wedge Design: The unique wedge shape effectively eliminates interference from reflected light, improving the stability and output quality of laser systems.
- Low Refractive Index and High Dispersion: These characteristics make the plates ideal for a variety of optical systems, providing low optical interference and reduced chromatic aberration.
- Precision Manufacturing: The plates are processed using advanced polishing and manufacturing techniques to ensure surface quality and consistent optical performance.
Applications
- Excimer Laser Systems: Used in excimer laser technologies to enhance the focusing and transmission efficiency of laser beams.
- Infrared and Ultraviolet Optical Systems: Widely applied in infrared and ultraviolet optical systems, improving light transmission and system stability.
- Optical Instruments and Laser Technology: Essential for various optical instruments, laser technologies, and optical communications.
- Military and Research: Used in high-precision optical applications such as military reconnaissance, infrared detection, and scientific imaging.
- Medical Imaging: Applied in medical imaging and excimer laser treatments, improving the accuracy and effectiveness of treatments.
| Optical Property | Value |
| Transmission Range | 0.13-10 μm |
| Transmittance | >94%@193nm-7.87μm |
| Refractive Index | 1.4288@2.5μm, 1.39908@5μm |
| Reflection Loss | 5.4%@5μm (both surfaces) |
| Absorption Coefficient | 7.8×10⁻⁴@2.7μm |
| Structure | Cubic Crystal System |
| Cleavage Planes | <111 |
| Physical Property | Value |
| Density | 3.18 g/cm³ |
| Melting Point | 1420 ℃ |
| Thermal Conductivity | 9.71 W/(m·K) @ 293K |
| Thermal Expansion | 18.5×10⁻⁶/K @ 273K |
| Knoop Hardness | 158.3 kg/mm² |
| Specific Heat Capacity | 854 J/(kg·K) |
| Dielectric Constant | 6.76 @ 1 MHz |
| Young's Modulus | 75.8 GPa |
| Shear Modulus | 33.77 GPa |
| Bulk Modulus | 82.71 GPa |
| Poisson's Coefficient | 0.26 |
| Chemical Property | Value |
| Solubility | 0.016 g/L @ 20℃ |
| Molecular Weight | 78.0748 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 |
