03 Mag Fluoruro di litio (LiF)
Posted at 22:10h
in LiF
Il Fluoruro di litio (Lif) cristallo con una elevata transmittanza nel UV sino a FIR. E’ solitamente usato per finestre, lenti e prismi per sistemi di imaging termico.
| Specification | |
|---|---|
| Transmission wavelength | 120nm - 7000nm |
| Material | Lithium Fluoride (LiF) |
| Density (g/cm³) | 2.639 |
| Dielectric constant | 9.1 @25°C |
| Melting point (°C) | 870 |
| Apparent elastic limit (Mpa) | 11.2 |
| Thermal expansion coefficient (1/k) | 37*10¯⁶ |
| Thermal Conductivity (J/k.m.s.) | 40.1 @ 41°C |
| Specific heat (J/g.k) | 1.562 @10°C |
| Knoop hardness (Kg/mm²) | 102-113 |
| Young modulus (GPa) | 64.79 |
| Shear modulus (GPa) | 55.14 |
| Bulk modulus (GPa) | 62.03 |
| Reflection loss (%) | 5.3 @500nm |
| Poisson ratio | 0.32 |
Fluoruro di litio (LiF)
windows
| Technical parameter | Commercial grade | Precision grade | High precision grade |
|---|---|---|---|
| Dimension range | 1-600mm | 2-600mm | 2-600mm |
| Dimension tolerance | ±0.1mm | ±0.025mm | ±0.01mm |
| Thickness tolerance | ±0.1mm | ±0.025mm | ±0.01mm |
| Angle tolerance | ±3' | ±15" | ±5" |
| Surface quality | 60-40 | 40-20 | 20-10 |
| Surface accuracy | 1.0λ | λ/10 | λ/20 |
| Bevelling | 0.1-0.5mmx45° | ||
| Substrate | Lithium Fluoride (LiF) | ||