Nd:YVO4 is a laser crystal widely used in solid-state lasers due to its excellent properties, such as high absorption, high gain, and low threshold. It is a neodymium-doped yttrium orthovanadate crystal, which exhibits a large stimulated emission cross-section and broad absorption bandwidth. Nd:YVO4 crystal has high efficiency, low threshold, and can produce high output power. Overall, Nd:YVO4 crystal is an excellent laser material for various industrial and scientific applications.
Main features:
♦ Better optical and physical properties
♦ High absorption coefficient
♦ Low Stimulated Damage Threshold, High Slope Efficiency
♦ Uniaxial crystal, the output is linearly polarized
♦ The stimulated emission cross section at 1064 nm is 3 times that of Nd:YAG
♦ Pump bandwidth around 808 nm, about 5 times that of Nd:YAG
We offer：
♦ Different sizes, different concentrations and frequency doubling crystals can be customized
♦ Provide professional services
♦ High quality quality assurance
Absorption and emission curves of YVO4
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)(L< 2.5 mm) |
(W ± 0.1 mm)x(H ± 0.1 mm)x(L + 0.5/-0.1 mm)(L≥ 2.5 mm) | |
Dimension tolerance | < ± 0.5° |
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 |
Anti-reflection membrane system | AR Coating 1064 nm，R < 0.2%, |
HR coating:1064 nm R > 99.8%, 808 nm T > 95% | |
| Quality warranty period | 1 year (with normal use) |
Crystal Structure and Physical Properties
Argument Name | Values and Ranges |
Emission wavelength | 1064 nm，1342 nm |
Thermal light coefficient（300K） | dno/dT=8.5 × 10-6/K ；dne/dT=2.9 × 10-6/K |
| Exposure cross-section | 25 × 10-19cm2 @ 1064nm |
Fluorescence lifetime | 90 μs(1%) |
Absorption coefficient | 31.4 cm-1 @ 810nm |
Intrinsic loss | 0.02 cm-1 @ 1064nm |
Gain bandwidth | 0.96 nm @ 1064nm |
Polarized laser radiation | π polarization; parallel to optical axis (c-axis) |
Diode pumping photo-optical efficiency | > 60% |
Sellmeier equation | no2=3.77834 + 0.069736/(λ2 - 0.04724) - 0.010813λ2 |
ne2=4.59905 + 0.110534/(λ2- 0.04813) - 0.012676λ2 |
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