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Nd:YAG
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Details
The Nd:YAG crystal is currently the solid - state laser material with the best comprehensive performance. It has the characteristics of high gain, low threshold, high efficiency, low loss, good thermal conductivity, and strong resistance to thermal shock. It is suitable for multiple laser operation modes (continuous, pulsed, Q - switched, mode - locked, frequency - doubled, etc.) and is widely used in industrial, medical, and scientific research fields. Our company can provide crystals of various specifications, such as large - sized and high - quality Nd:YAG crystal rods, crystal slabs, and crystal discs for high - power lasers.
Characteristics of Nd:YAG
● High gain
● Low threshold
● High efficiency
● Low loss
● High thermal conductivity
● Strong resistance to thermal shock
Basic Parameters
| Item | Parameter |
| Chemical formula | Nd:Y3AI5O12 |
| Doping concentration | Nd: 0.9 - 1.1at% |
| Crystal orientation | [111] |
| Transmission wavefront distortion | λ/8 per inch @632.8nm |
| Extinction ratio | ≥30dB |
| Crystal rod dimensions | Diameter: 2 - 30mm, Length: 30 - 150mm, customizable according to customer requirements |
| Dimensional tolerance | Diameter: ±0.02mm, Length: ±0.5mm |
| Cylindrical surface processing | Precision grinding, polishing, threading |
| End - face parallelism | ≤10″ |
| Perpendicularity of the end - face to the rod axis | ≤5′ |
| End - face flatness | λ/10 per inch @632.8nm |
| Surface finish | 20 - 10 |
| Edge chamfer | 0.1mm@45° |
| Clear aperture | >95% |
| Antireflection film reflectivity | R<0.2%@1064nm |
| Laser - induced damage threshold of the film layer | >500MW/cm2 |
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