Nd:GdVO4 laser crystal has similar properties to Nd:YVO4 laser crystal, and has excellent physical, optical and mechanical properties.
We offer:
♦ Different sizes and frequency doubling crystals can be customized
♦ Coatings according to customers' requirements
♦ High quality quality assurance
Main features:
♦ Good thermal conductivity
♦ High laser damage threshold
♦ High laser output slope efficiency
♦ Wide absorption bandwidth and large absorption coefficient, with little dependence on pump wavelength
♦ Good laser output polarization
♦ Stimulated emission cross section is large
Typical applications:
♦ 1520 nm laser for telemetry
♦ 1520 nm laser for ranging
♦ 1520 nm lasers for remote sensing applications
Transparency curve of Nd:GdVO4 Emission curve of Nd:GdVO4
Technical Parameters
| Argument Name | Values and Ranges |
| Size tolerance | (W ± 0.1 mm)x(H ± 0.1 mm)x(L + 0.2/-0.1 mm） |
| Dimension tolerance | < 30′ |
| Clear aperture | > 90% |
| Finish | 10/5 |
| Flatness | λ/8@633nm, λ/4@633nm（thickness less than 2 mm） |
| Wavefront distortion | < λ/4@633nm |
| Parallelism | < 20 arc sec |
| Perpendicularity | < 5 arc min |
| Doping concentration | 0.1%~3% |
| Quality warranty period | 1 year (with normal use) |
Crystal Structure and Physical Properties
| Argument Name | Values and Ranges |
| Crystal structure | Tetragonal |
| Spatial groups | Space group I41/amd |
| Lattice constant | a=0.721 nm，b=0.635 nm |
| Laser transition | 4F3/2----> 4I11/2 |
| Output wavelength | 1062.9 nm |
| Emission cross-section（at 1064 nm） | 7.6 × 10-19cm2 |
| Absorption cross-section（at808 nm） | 4.9 × 10-19cm2 |
| Absorption coefficient（at808 nm） | 74 cm-1 |
| Refractive index（at1064 nm） | no=1.972，ne=2.192 |
| Thermal conductivity（<110>） | 11.7 W/(m × K) |
| Density | 5.47 g/cm3 |
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