Optical and spectral properties | |
---|---|
Lasing wavelength in nm | 930 1079 1340 |
Refractive index @632 nm | na = 1,92 nb = 1,93 nc = 1,94 |
dN/dT in 1/K | na = 9,7 ·10-6 nc = 14,5·10-6 |
Physical properties | |
---|---|
Density in g/cm3 |
5,35 |
Melting point in °C | 1870 |
Crystal structure | orthorhombic |
Specific heat capacity, J/(kg/K) | 400
|
Thermal conductivity in W/(m · K) | 11
|
Mohs hardness | 8,5 |
Lattice constant in Å | a = 5,138 b = 5,274 c = 7,308 |
Fluorescence lifetime in ms | 4,4-7,7 |
typische Dotierung in at.% | 0,2-15 |