LiF Lithium Fluoride
Lithium Fluoride
(
LiF
)| Eigenschaften | |
| Transmission Range | 0.116-7.4 (Dicke 2mm) |
| Refractive Index | 1.39126 @633 nm |
| Reflection Loss | 2.65% @0.633 µm |
| Residual Beam Wavelength | 26 µm (max. reflection) |
| Density | 2.63905 g/cm3 |
| Melting point | 848°C |
| Molecular Weight | 25.94 |
| Thermal Conductivity | 11.3 W/(m·K) @314 K |
| Spec. Heat Capacity | 1562 J/(kg·K) |
| Thermal Expansion | 37 · 10-6/ K @273...373K |
| Hardness (Mohs) | 102 |
| Young's Modulus | 64.79 GPa |
| Shear Modulus | 55.14 GPa |
| Bulk Modulus | 62.03 GPa |
| Rupture Modulus | 10.9 MPa |
| Elastic Coefficient | C11 = 112; C12 = 45.6; C44 = 63.2 GPa |
| Dielectric Constant | 9.0 @298K, f = 100 Hz...10 GHz |
| Solubility in Water | 0.27g / 100g @18°C |
| Crystal Structure | Single crystal, synthetic |
| Crystal Type | Cubic, NaCl type structure, a= 4.02 Å |
| Cleavage Planes | (100) |
| Poisson Ratio | 0.22 |
| Application | X-ray monochromator plates; Optical material for VUV applications |
| Remarks | Tends to create colour centers; max. temperature for application: 400°C |
| Remarkable |
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LiF – Lithium Fluoride: Korth Kristalle - Vom Rohkristall zur hochpräzisen Optik. Durchblick für alle Wellenlängen - Seit 72 Jahren züchten wir Kristalle und fertigen daraus hochpräzise optische Komponenten für alle Wellenlängen vom IR- bis zum VUV-Bereich. Unsere Produkte kommen in allen Bereichen zum Einsatz, in denen eine hochentwickelte, präzise technische Ausstattung unerlässlich ist – von der Analytik bis hin zur Medizin- und Raumfahrttechnik.
Contact/Inquiry
Korth Kristalle
Am Jägersberg 3
24161 Altenholz
+49 (0)431 - 36 90 50
+49 (0)431 - 36 90 525
Remarkable
- Compared to all known crystals LiF has the smallest transmission edge in the field of VUV (116nm) and is therefore most suitable for VUV optics
- It is easy to split and also used as a X-ray monochromator
Transmission spectrum 93mm