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| Chemical formula | Co2+:MgAl2O4 |
| Crystal structure | Cubic |
| Lattice parameters | 8.07Å |
| Density | 3.62 g/cm3 |
| Melting Point | 2105°C |
| Refractive Index | n=1.6948 @1.54 μm |
| Thermal Conductivity/(W·cm-1·K-1@25°C) | 0.033W |
| Thermal Expansion /（10-6 /°C@25°C ） | 1.046 |
| Specific Heat/ (J·g-1·K-1) | 5.9 |
| Hardness (Mohs) | 8.2 |
| Extinction Ratio | 25dB |
| Orientation | [100] or [111] < ±0.5° |
| Optical density | 0.1-0.9 |
| Damage Threshold | >500 MW/cm2 |
| Doping concentration of Co2+ | 0.01-0.3 atm% |
| Chemical formula | Cr4+:Y3Al5O12 |
| Crystal structure | cubic – la3d |
| Lattice parameters, Å | 12.01 |
| Orientation | [100] or [110] < ±0.5° |
| Mass density | 4.56 g/cm3 |
| Mohs hardness | 8.5 |
| Young’s modulus | 335 GPa |
| Tensile strength | 2 GPa |
| Melting point | 1970°C |
| Thermal conductivity | 0.1213 |
| Specific Heat/ (J·g-1·K-1) | 0.59 |
| Thermal Expansion /(10-6/°C@25°C) | 7.8 <111> 7.7 <110> 8.2 <100> |
| Thermal shock resistance parameter | 800 W/m |
| Extinction Ratio | 25dB |
| Poisson Ratio | 0.25 |
| Refractive Index @1064 nm | 1.83 |
| Charge compensating ion | Ca2+, Mg2+ |
