
- Product Name: LiF
- Maximum of Material Diameter:Φ170mm
- Clear Aperture:85%
- Surface Flatness:λ/4 at 633nm
- Surface Quality:20/10
Product overview
Lithium Fluoride crystal is used as window, lens for the 105nm to 6μm. And also can be used as the optical element in X-ray diffraction devices.Scitlion is able to offer
Various optics for IR & VUV application, using our LiF crystal materials
Optical element for X-ray diffraction devices
Good quality LiF crystal blank materials
OEM service for good quality LiF crystals
Orientation:<100>、<110>、 <111>

LiF Crystal Properties:
Optical Properties |
|
Transmission Range |
105 nm to 6 μm |
Transmittance |
>90% at 300 nm to 4.5 μm |
Refractive Index |
1.3733at 2.5 μm; 1.6240 at 121 nm |
Reflection Loss |
4.4% at 4 μm (both surfaces) |
Physical Properties |
|
Density |
2.64 g/cm3 |
Melting Point |
845℃ |
Thermal Conductivity |
11.3 Wm-1K-1 at 314K |
Thermal Expansion |
37 x 10-6 /℃ |
Mohs Hardness |
113 with 600g indenter (kg/mm2) |
Specific Heat Capacity |
1562 J/(kg.k) |
Dielectric Constant |
9.0 at 100 Hz |
Youngs Modulus (E) |
64.79 GPa |
Shear Modulus (G) |
55.14 GPa |
Bulk Modulus (K) |
62.03 GPa |
Rupture Modulus |
10.8 MPa |
Elastic Coefficient |
C11=112; C12=45.6; C44=63.2 |
Chemical Properties |
|
Solubility |
0.27 g/ 100g water at 18℃ |
Molecular Weight |
25.94 |
Structure |
Cubic Crystal |
Cleavage Plane |
(100) |