Optical and Spectral
Properties
|
|
Laser
Transition |
4F3/2-->
4I11/2 |
Laser
Wavelength |
1.064μm |
Photon Energy |
1.86�10-19J@1.064μm |
Emission
Linewidth |
4.5� @1.064μm |
Emission Cross
Section (Nd1at%) |
2.7~8.8�10-19cm-2 |
Fluorescence
Lifetime (Nd1at%) |
230μs |
Index of
Refraction |
1.8197@1064nm |
Physical and
Optical properties |
Crystal Structure |
Cubic |
Lattice Parameters |
12.01� |
Melting Point |
1970�C |
Moh Hardness |
8.5 |
Density |
4.56�0.04g/cm3 |
Specific Heat (0-20) |
0.59J/g.cm3 |
Modulus of Elasticity |
310GPa |
Young's Modulus |
3.17�104Kg/mm2 |
Poisson Ratio |
0.3(est.) |
Tensile Strength |
0.13~0.26GPa |
Thermal Expansion
Coefficient |
[100]Direction:8.2�10-6/�C(0~250�C) |
[110]Direction:7.7�10-6/�C(0~250�C) |
[111]Direction:7.8�10-6/�C(0~250�C) |
Thermal Conductivity |
14W/m/K(@20�C) |
10.5W/m/K(@100�C) |
Thermal Optical Coefficient (dn/dT) |
7.3�10-6/�C |
Thermal Shock Resistance |
790W/m |
Solubility |
Water: Insoluble;
Common Acids: Slightly |