Ultraviolet Lithium Fluoride LiFA001
Ultraviolet lithium fluoride is an application material in the field of ultraviolet optics. Its chemical formula is LiF and it belongs to alkali metal halides. At room temperature, it is a white crystal that is insoluble in water. Its structural formula is body centered cubic, with a relative density of 2.640, a melting point of 848 ℃, and a boiling point of 1681 ℃. The transmittance ranges from vacuum ultraviolet 110nm to infrared 6.0 μ m. Can be used as optical windows, lenses, prisms, and refractive elements. As an optical crystal manufacturer, we can also customize optical crystals with different shapes and specifications according to your needs.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Dia | 3-100 mm |
| ThK | 0.5-60 mm |
| Structure | Monocrystalline |
| Orientation | <111> |
| Shape | Customizable |
| Diameter Tolerance | +0.0/-0.1 |
| Thk Tolerance | ±0.1 mm |
| Material | Lithium Fluoride（LiF） |
| Transmission Range | 0.11-7μm |
| Density | 2.639 g/cm³ |
| REACH | Compliant |
| ROHS | Compliant |
| Transmission Range [Material：Lithium Fluoride（LiF）] | 0.11-7μm |
| Transmittance [Material：Lithium Fluoride（LiF）；@0.6μm] | >94.8%@0.6μm |
| Reflection Loss [Material：Lithium Fluoride（LiF）；@0.6μm(both surfaces)] | 5.2%@0.6μm(both surfaces) |
| Absorption Coefficienet [Material：Lithium Fluoride（LiF）；@4.3μm] | 5.9×10⁻³@4.3μm |
| Structure [Material：Lithium Fluoride（LiF）] | Cubic Crystal System |
| Cleavage Planes [Material：Lithium Fluoride（LiF）] | <100> |
| Density [Material：Lithium Fluoride（LiF）] | 2.639 g/cm³ |
| Melting Point [Material：Lithium Fluoride（LiF）] | 848 ℃ |
| Thermal Conductivity [Material：Lithium Fluoride（LiF）；@314K] | 11.3 @ 314K |
| Thermal Expansion [Material：Lithium Fluoride（LiF）；@283K] | 37.0 @ 283K |
| Knoop Hardness [Material：Lithium Fluoride（LiF）] | 415 kg/mm² |
| Specific Heat Capacity [Material：Lithium Fluoride（LiF）] | 1562 J/(kg×K) |
| Dielectric Constant [Material：Lithium Fluoride（LiF）；@1 MHz] | 7.33 @ 1 MHz |
| Young's Modulus (E) [Material：Lithium Fluoride（LiF）] | 64.79 GPa |
| Shear Modulus(G) [Material：Lithium Fluoride（LiF）] | 55.14 GPa |
| Bulk Modulus(K) [Material：Lithium Fluoride（LiF）] | 62.03 GPa |
| Poisson Coefficient [Material：Lithium Fluoride（LiF）] | 0.22 |
| Solubility [Material：Lithium Fluoride（LiF）；@20℃] | 2.7g @ 20℃ |
| Molecular Weight [Material：Lithium Fluoride（LiF）] | 25.9394 g/mol |
Applications
Datasheet
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