Yb:LiYF4 Crystals
Yb:LiYF4 Crystals
| Crystal structure | Tetragonal |
| Point group | I41/a |
| Lattice parameters | а = 5,164 Å, c = 10,741 Å |
| Thermal expansion | 4×10-6 / ºC |
| Thermal conductivity | 4,3–6 W/mK |
| Density | 3,95 g/cm³ |
| Mohs' hardness | 5 |
| Melting temperature | 825 ºC |
| Transmission range | 0.2-5 μm |
| Refractive indices (λ=1.06 μm) | no = 1,448, ne = 1,470 |
| dno/dT | -2,0×10-6 / ºK |
| dne/dT | -4,1×10-6 / ºK |
| Fluorescence lifetime | 2.1 ms |
| Emission cross section | 7.5x10-21 cm² @1017nm, E//c |
| Emission bandwidth | 60 nm |
| Absorption cross section | 10.6x10-21 cm² @959 nm, E//c |
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