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

Optical and spectral properties
Lasing wavelength in nm
1235

1244

Refractive index
ng = 1,670

nm = 1,651

np = 1,635

Physical properties
Density in g/cm3
3,217
Crystal structure
rhombic
Thermal conductivity in W/(m · K)
8
Thermal expansion in 1/K
9,5 · 10-6
Mohs hardness
7
Lattice constant in Å
a = 4,77

b = 10,28

c = 6,00

Fluorescence lifetime in µs
<3
Dopant concentration in at.%
0,05 ‐ 0,5