ND YAG Laser Rod
Different Doping Levels Nd YAG Crystals Yag Laser Rod For High Power Laser
Introduction :
Nd: YAG (Nd: Y3Al5O12 ) is one of the rare earth garnet laser materials, which is used as a lasing medium for solid-state lasers. Nd: YAG crystal was also widely used in the scientific, medical, and industrial laser systems, high-performance scientific laser systems.
The dopant, triply ionized neodymium, Nd(III), typically replaces a small fraction of the yttrium ions in the host crystal structure of the yttrium aluminum garnet (YAG), since the two ions are of similar size. It is the neodymium ion that proves the lasing activity in the crystal, in the same fashion as the red chromium ion in ruby lasers.
Main Advantages :
- High gain
- Low threshold
- High efficiency
- The low loss at 1064nm
- High Optical quality
- Good thermal conductivity and shock characteristics
Material Properties :
| Chemical Formula | Nd: Y3Al5O12 |
| Lattice Parameter | a=12.01Å |
| Growth Method | Czochralski |
| Density | 4.5g/cm3 |
| Mohs Hardness | 8.5 |
| Melting Point | 1970℃ |
| Refractive Index |
1.82 |
| Extinction Ratio | 25 dB |
| Poisson Ratio | 0.25 |
Crystro offers :
| Dimension | Diameter from 3 to 40mm |
| Nd Dopant level | From 0.3-1.5 atm% |
| WaveFront Distortion | 1/8 wave@632 |
| Diameter Tolerance | ±0.05mm |
| Length Tolerance | ±0.5mm |
| Chamfer | 0.10mm@45º |
| Flatness | <1/10 wave at 633nm |
| Parallelism | < 10 arc Seconds |
| Perpendicularity | < 15 arcmin |
| Surface Quality | 10/5 Scratch/Dig |
| Clear Aperture | >90% |
| Damage Threshold | >500MW/cm2 |
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