Er:YAG crystal
Major capability parameter |
|
Crystal structure |
cubic system |
crystal lattice parameters |
12.01 Å |
orientation |
<111> or <100> crystalline within 5° |
Melt point |
1970λC |
Hardness mohs |
8.5 |
density |
4.56±0.04 g/cm3 |
Specific heat |
0.59 J/g.cm3 |
Modulus of elasticty |
310 GPa |
Young modulus |
3.17X104Kg/mm2 |
tensile strength |
0.13~0.26 GPa |
Thermal expansion |
<100> Direction: 8.2x10-6 /°C(0~250°C) |
|
<110> Direction: 7.7x10-6/°C(0~250°C) |
|
<111> Direction: 7.8x10-6/°C(0~250°C) |
thermo-optical coeffecient |
7.3×10 -6/°C |
(Er:YAG) crystal is one performance fine laser material, this crystal stimulated may send out 2.94m the laser, has the widespread application in the medical laser system.
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