Nd:YAG
Nd:YAG laser crystals provide high gain,low threshold,high efficiency and low loss at1064nm,with good thermal conductivity,thermal-shock resistance,mechanical strength and optical quality.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Crystal Structure | Cubic Crystal System |
| Lattice Constants | 12.01 Å |
| Density | 4.5 g/cm³ |
| Melting Point | 1970 ℃ |
| Refractive Index | 1.82 |
| Mohs Hardness | 8.5 Mohs |
| Coefficient of Thermal Expansion [＜111＞；0~250℃] | 7.8×10⁻⁶ /K ＜111＞，0~250 ℃ |
| Thermal Conductivity | 14 W/m/K，20 ℃ 10.5 W/m/K，100 ℃ |
| Stimulated Emission Cross Section | 2.8×10-19 cm⁻² |
| Relaxation Time | 30 ns |
| Fluorescence Lifetime | 550 µs |
| Spontaneous Fluorescence | 230 µs |
| Spectral Line Width | 0.6 nm |
| Loss Coefficient [1064 nm] | 0.03 cm⁻¹ @ 1064 nm |
| Dopant Concentration | Nd：0.3~2.0（±0.1）at.% |
| Dimensions | From ϕ15×180 mm to a Maximum of φ40 mm×2 mm |
| Dimensional Tolerance | Diameter tolerance: ±0.1mm; length tolerance: ±0.5mm |
| Surface Finish [With Reference to Standard MIL-PRF-13830B] | 10/5, with Reference to Standard MIL-PRF-13830B |
| Transmitted Wavefront Distortion [633 nm] | λ/8 @ 633 nm |
| Flatness [633 nm] | λ/8 @ 633 nm |
| Parallelism | 20″ |
| Perpendicularity | ≤15′ |
| Chamfer [45°] | ≦0.2 mm×45° |
| High-Reflection Coating | R＞99.8% @ 1064 nm，R＜5% @ 808 nm |
| Available High-Reflection Coatings | HR-1064/532 nm, HR-946 nm, HR-1319 nm and coatings for other wavelengths |
| Damage Threshold [1064nm; 10ns; 10Hz; antireflection coating] | ＞500 MW/cm3 @ 1064 nm, 10 ns, 10 Hz( Antireflection Coating ) |
Applications
Key Features
Datasheet
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Supplier Information
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