https://www.high-endrolex.com/1

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