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Cobalt doped spinel

Material
Cobalt doped spinel (Co2+: Mg2SiO4 or Co:MALO) is a laser material for the production of Q-switched lasers. Co:MALO enables the generation of pulses in the nanosecond range with simultaneous high intensity. Due to its absorption band in the wavelength range between 1.2 µm and 1.6 µm, Co spinel is particularly suitable for laser applications in the eye-safe range and makes it interesting for laser applications in medicine and research. Cobalt-doped spinel is a stable, hard crystal, which results in good machinability.
Properties
Optical and spectral properties
Refractive index @1540 nm
1,6948
Physical properties
Density in g/cm3
3,62
Melting point in °C
2105
Crystal structure
cubic
Specific heat capacity in J/(g · K)
5,9
Thermal conductivity in W/(m · K)
3,3
Thermal expansion in 1/K
1,046·10-6
Mohs hardness
8,2
Lattice constant in Å
8,07
Dopant concentration in at.%
0,01 ‐ 0,3
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