Nd:GdVO4(Neodymium-doped gadolinium orthovanadate) – Laser Crystal – Gain Medium – Customized Products
Nd:GdVO4 crystal products, also known as neodymium doped Gadolinium vanadate crystal. It is a kind of laser crystal product with excellent comprehensive performance. It is widely used in telemetry, ranging and remote sensing. The product has the characteristics of good thermal conductivity, large excited emission cross section and high laser damage threshold. Can be used in laser diode pumped all solid state (DPSS) micro laser, ladar, remote sensing satellite products.
Note:
$100 is a deposit, not the final price of the product. Please contact us for price if needed.
Features
Good thermal conductivity
High laser damage threshold
Good laser output polarization
High laser output slope efficiency
Large stimulated emission cross-section
Large absorption coefficient, wide absorption band width, little dependence on pump wavelength
Basic Parameters
| Crystal Structure |
Zircon Square, Space Group D4h, a=b=7.21, c=6.35 |
| Melting Point |
1780°C |
| Density |
5.47g/cm3 |
| Mohs Hardness |
glassy, ~ 5 |
| Thermal Expansion Coefficient |
aa=1.5×10-6/K, ac=7.3×10-6/K |
| Thermal Conductivity |
11.7 W/m/K <110> |
| Peak Absorption Wavelength |
808.5 nm |
| Lasing Wavelength |
912.6 nm, 1063.1 nm, 1341.3 nm |
| Crystal |
正单轴, no=na=nb ne=nc
no=1.9854, ne=2.1981, @ 1064nm
no=2.038184, ne=2.292962, @ 532nm
no=1.9977322, ne=2.219864, @ 808nm |
| Thermo-optic Coefficient |
dn/dT=4.7×10-6/K |
| Stimulated Emission Cross Section |
7.60×10-19cm2 @1064 nm |
| Fluorescence Lifetime |
95 ms (1 at% nd doped) @ 808 nm |
| Loss Factor |
0.003 cm-1@ 1064 nm |
| Absorption Coefficient |
74 cm-1 @ 808 nm (1.2%) |
| Absorption Length |
0.32 mm @ 808 nm |
| Intrinsic Loss |
Less 0.1% cm-1, @1064 nm |
| Line Width |
0.6 nm |
| Plan a Laser Launch |
Parallel to the Optical Axis(c-axis) |
| Diode Pumped Optics to Optical Efficiency |
> 60% |
Standard
| Orientation |
a-cut (± 0.55° ) |
| Size Tolerance |
+/-0.1mm |
| Wavefront Distortion |
<λ/8 @632.8nm |
| Surface Finish |
20/10 |
| Parallelism |
< 10 arc seconds |
| Perpendicularity |
< 5 arc minutes |
| Flatness |
<λ/10 @632.8nm |
| Clear Aperture |
Central 95% |
| Chamfer |
0.15×45° |
| Coating |
1.AR@1064nm R<0.1%
2.AR@1064nm R< 0.1% & HT@808nm T>95%
3.HR@1064nm R>99.8% & HR@532nm R>99% & HT@808nm T>95% |
Spectrum
Yb:GGG(Yb doped gadolinium gallium garnet) - Laser Crystal - Gain Medium - Customized Products
1 × $100 
