Large stimulated emission cross section at laser wavelength;
High absorption coefficient and wide bandwidth at pump wavelength;
Low dependency on pump wavelength;
Good thermal conductivity;
Low lasing threshold and high slope efficiency;
High laser induced damage threshold;
Strongly-polarized laser output.
Material Properties: Comparing Nd:GdVO4 and Nd:YVO4
Crystal | Nd:GdVO4 | Nd:YVO4 | ||
Crystal Structure,Space Group | Tetragonal, I41/amd | Tetragonal, I41/amd | ||
Lattice constants(nm) | a:0.721 b:0.635 | a:0.721 b:0.629 | ||
Melting temperature(℃) | 1780 | 1825 | ||
Thermal expansion @25℃,×10-6/℃ | a | 1.5 | a | 4.43 |
b | 7.3 | b | 11.4 | |
Specific heat @25℃,cal/mol·K | 32.6 | 24.6 | ||
dn/dT,×10-6/℃ | 4.7 | 2.7 |
Large stimulated emission cross section at laser wavelength;
High absorption coefficient and wide bandwidth at pump wavelength;
Low dependency on pump wavelength;
Good thermal conductivity;
Low lasing threshold and high slope efficiency;
High laser induced damage threshold;
Strongly-polarized laser output.
Material Properties: Comparing Nd:GdVO4 and Nd:YVO4
Crystal | Nd:GdVO4 | Nd:YVO4 | ||
Crystal Structure,Space Group | Tetragonal, I41/amd | Tetragonal, I41/amd | ||
Lattice constants(nm) | a:0.721 b:0.635 | a:0.721 b:0.629 | ||
Melting temperature(℃) | 1780 | 1825 | ||
Thermal expansion @25℃,×10-6/℃ | a | 1.5 | a | 4.43 |
b | 7.3 | b | 11.4 | |
Specific heat @25℃,cal/mol·K | 32.6 | 24.6 | ||
dn/dT,×10-6/℃ | 4.7 | 2.7 |