Nd:YVO4 is one of the most efficient solid-state laser host crystal at
present. Its large stimulated emission cross-section at laser wavelength, high
absorption coefficient and wide absorption bandwidth at pump wavelength, high
laser induced damage threshold as well as good physical, optical and mechanical
properties make Nd:YVO4 an excellent crystal for the high power , stable and
cost-effective diode laser-pumped solid-state lasers. With the design of Nd:YVO4
+ frequency crystal KTP, man can produce tiny all solid-state green lasers.
Nd:YVO4 lasers have been applied in many areas of military affairs, information
industry, etc.
Mean physical and Optical Properties:
Atomic Density: ~1.37 × 10
20 atoms / cm
3
Crystal Structure: Zircon Tetragonal, space group D4h,
a=b=7.12, c= 6.29
Density: 4.22g / cm
3
Mohs Hardness: Glass-like, ~5
Thermal Expansion Coefficient: a
a=4.43
× 10
-6/ K, a
c=11.37 × 10
-6 / K
Laser properties of Nd:YVO4 crystals and Nd:YAG :
| Laser crystal |
Nd doped (atm%) |
σ
(10-19cm2) |
a (cm-1) |
T
(ms) |
Ia
(mm) |
ρth
(mW) |
ηs
(%) |
| Nd:YVO4
(a-cut) |
1.1
2.0 |
25 |
31.2
72.4 |
90
50 |
0.32
0.14 |
78 |
48.6 |
| Nd:YVO4
(c-cut) |
1.1 |
7 |
9.2 |
90 |
|
231 |
45.5 |
| Nd:YAG |
0.85 |
6 |
7.1 |
230 |
1.41 |
115 |
38.6 |
Standard Dimension:
3x3x1.0mm3
3x3x4.0mm3
4x4x4.0mm3
4x4x8.0mm3
Other sizes and forms can be fabricated as the request of customers.
Notes:
The Tolerance of the Nd Doped concentration is ±10%.
Other Concentration can be doped as the request of the customers.
