new material
No-fluorescence / Raman grade calcium fluoride (CaF₂) is a high-purity optical material designed for minimal intrinsic fluorescence, optimized Raman scattering performance, and superior ultraviolet and infrared transmission. Manufactured with advanced purification techniques, it offers excellent optical clarity, strong resistance to environmental degradation, and high thermal stability. This specialized CaF₂ variant is widely used in Raman spectroscopy, laser systems, high-precision metrology, and scientific research, ensuring optimal light manipulation with minimal spectral interference.
Product Overview:
No-Fluorescence / Raman Grade Calcium Fluoride is a high-purity material known for its exceptional performance in optical and laser applications. It is particularly suitable for environments that demand low energy loss and high imaging quality. The material's lack of fluorescence ensures it effectively avoids signal distortion and energy loss due to fluorescence, making it ideal for high-precision optical components and systems. With outstanding chemical, optical, and thermal stability, Raman Grade CaF₂ is ideal for high-end optical instruments and equipment requiring stringent optical performance.
Key Features:
- No Fluorescence Property:Calcium fluoride in specific wavelength ranges has high transparency and low absorption, allowing efficient light transmission while reducing energy loss and image distortion.
- Raman Grade:Features unique structural properties and excellent chemical stability, optical performance, thermal stability, and electrical properties, ensuring reliability in complex environments.
- High Transparency and Low Light Energy Loss:Offers exceptional optical properties, enabling high-precision design and manufacturing of optical components, enhancing transmission efficiency.
- Wide Application Range:Suitable for high-precision optical systems, maintaining stable optical characteristics even under high temperature, laser, and electronic conditions.
Applications:
- Optical Instruments:Used in the manufacture of precision optical lenses, prisms, and windows, ensuring efficient light transmission and accurate focusing.
- Laser Technology:In laser systems, the material prevents energy loss caused by fluorescence, improving laser transmission efficiency.
- Optical Communication:As a high-transparency material, it is widely used in optical communication systems, reducing signal distortion and ensuring high-quality transmission.
- Optical Coatings and Thin Films:Used in the production of optical coatings and thin films to enhance the performance of optical devices, offering better transmission and reflection efficiency.
| 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 |
| Property | Value |
| Material Name | Raman Grade CaF₂ |
| Available Size | 3-200mm |
| Material Grade | Raman Grade |
| Transmittance Range | 0.13-10μm |
| Crystal Structure | Monocrystalline |
| Orientation | <111>, <110>, <100>, <001>, <220> |
| Blank Shape | Round, rectangular, wedge, lens, step drilled, special-shaped |
