1. Optical performance: It has high transmittance and low scattering rate, with a transmittance of more than 80% in the infrared spectroscopy range. It can effectively transmit infrared light signals and has high thermal conductivity and low thermal expansion coefficient, so it is widely used in the manufacturing of infrared sensors, infrared thermal imagers, and other devices.
2、Physical properties: It has high hardness and corrosion resistance, as well as good mechanical and chemical stability. These properties allow it to maintain its performance stable in high temperature and strongly corrosive environments, and thus it is widely used in aerospace, medical and other fields.
3、Application fields: It is widely used in infrared optical instruments, telescopes, infrared communication and laser technology and other fields. As a window material, it can be used for the transmission and focusing of infrared and visible light. In addition, it can also be used to manufacture other infrared materials, such as gallium fluoride and aluminum fluoride, etc.
4、Other properties: It has low absorption and low fluorescence radiation characteristics, which make it very promising for applications in high temperature and high intensity laser systems. In addition, it can also be used to manufacture nonlinear optical devices and optical limiting devices, etc.
In summary, infrared calcium fluoride, as an important infrared optical material, has excellent optical and physical properties, and has broad application prospects in the field of optics. With the continuous development of technology, its manufacturing process and performance will also be further improved and optimized.
Performance Parameter
| Material Data | |
| Optical Properties | |
| Transmission Range | 0.13-10μm |
| Transmittance | >94%@193nm-7.87μm |
| Refractive Index | 1.4288@2.5μm 1.39908@5μm |
| Reflection Loss | 5.4%@5μm(both surfaces) |
| Absorption Coefficienet | 7.8×10-4@2.7μm |
| Structure | Cubic Crystal System |
| Cleavage Planes | <111> |
| Physical Properties | |
| Density[g/cm3] | 3.18 |
| Melting Point [℃] | 1420 |
| Thermal Conductivity [W/(m×K)] | 9.71 @ 293K |
| Thermal Expansion Coefficient [10-6/K] | 18.5 @ 273K |
| N努氏硬度Knoop Hardness [kg/mm2] | 158.3 |
| Specific Heat Capacity [J/(kg×K)] | 854 |
| Dielectric Constant | 6.76 @ 1 MHz |
| Young's Modulus (E) [GPa] | 75.8 |
| Shear Modulus(G) [GPa] | 33.77 |
| Volume modulus Bulk modulus(K) [GPa] | 82.71 |
| Poisson Coefficient | 0.26 |
| Chemical Properties | |
| Solubility / g/L | 0.016g @ 20℃ |
| Molecular Weight / g/mol | 78.0748 |
