Doped Calcium Fluoride CaF2J001
Doped calcium fluoride (Eu:CaF2) is an inert and transparent material as one of the phosphors with effective excitation in the near ultraviolet range. The average light output is 24,000 photons * MeV-1, and the refractive index is similar to that of many photomultiplier Windows and photocoupled compounds. Eu:CaF2 emits a large fluorescent emission wavelength of 435nm, which is a good match for photocathode photomultiplier tubes. It is used in biomedical imaging, therapy, photonics, ultraviolet sensor, filtration, drug therapy, low-energy photon detection and other industries. As an optical crystal manufacturer, we can also customize optical crystals of different shapes and specifications for you according to your needs.
Overview
Specifications
| Parameter | Value |
|---|---|
| Dia | 3-200 mm |
| ThK | 0.5-60 mm |
| Shape | Customizable |
| Diameter Tolerance | +0.0/-0.1 |
| Thk Tolerance | ±0.1 mm |
| Material | Calcium Fluorid(CaF2) |
| Transmission Range | 0.13-10μm |
| Density | 3.18 g/cm³ |
| REACH | Compliant |
| ROHS | Compliant |
| Transmission Range [Material:Calcium Fluorid(CaF2)] | 0.13-10μm |
| Transmittance [Material:Calcium Fluorid(CaF2);@193nm-7.87μm] | >94%@193nm-7.87μm |
| Refractive Index [Material:Calcium Fluorid(CaF2);@2.5μm] | 1.4288@2.5μm |
| Refractive Index [Material:Calcium Fluorid(CaF2);@5μm] | 1.39908@5μm |
| Reflection Loss [Material:Calcium Fluorid(CaF2);@5μm(both surfaces)] | 5.4%@5μm(both surfaces) |
| Absorption Coefficienet [Material:Calcium Fluorid(CaF2);@2.7μm] | 7.8×10⁻⁴@2.7μm |
| Structure [Material:Calcium Fluorid(CaF2)] | Cubic Crystal System |
| Cleavage Planes [Material:Calcium Fluorid(CaF2)] | <111> |
| Density [Material:Calcium Fluorid(CaF2)] | 3.18 g/cm³ |
| Melting Point [Material:Calcium Fluorid(CaF2)] | 1420 ℃ |
| Thermal Conductivity [Material:Calcium Fluorid(CaF2);@293K] | 9.71 @ 293K |
| Thermal Expansion [Material:Calcium Fluorid(CaF2);@273K] | 18.5 @ 273K |
| Knoop Hardness [Material:Calcium Fluorid(CaF2)] | 158.3 kg/mm² |
| Specific Heat Capacity [Material:Calcium Fluorid(CaF2)] | 854 J/(kg×K) |
| Dielectric Constant [Material:Calcium Fluorid(CaF2);@1 MHz] | 6.76 @ 1 MHz |
| Young's Modulus (E) [Material:Calcium Fluorid(CaF2)] | 75.8 GPa |
| Shear Modulus(G) [Material:Calcium Fluorid(CaF2)] | 33.77 GPa |
| Bulk Modulus(K) [Material:Calcium Fluorid(CaF2)] | 82.71 GPa |
| Poisson Coefficient [Material:Calcium Fluorid(CaF2)] | 0.26 |
| Solubility [Material:Calcium Fluorid(CaF2);@20℃] | 0.016g @ 20℃ |
| Molecular Weight [Material:Calcium Fluorid(CaF2)] | 78.0748 g/mol |
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