1064nm Laser Crystal For No-water Cooling And Miniature Laser Systems
Product Description
They have the characteristics of high efficiency, low threshold, anti ultraviolet radiation and good repetition rate characteristics. The Nd,Ce: YAG laser rods produced by our company have reached the international advanced level. It is suitable for a variety of working modes (pulse, Q-switch, mode locking).
Double-doped Nd,Ce:YAG crystals have the advantages of higher output energy and lower laser oscillation threshold than traditional Nd:YAG crystals. In recent years, with the development of high energy efficiency solid state lasers, the demand for large size and high quality Nd,Ce:YAG crystals is increasing.
When the large size Nd,Ce:YAG is grown by pulling method, the inclusion and cracking defects are easy to occur. In this paper, the reasons for the defects in the crystal growth process were analyzed by combining theory with practice, and the solution was put forward.
The high quality Nd,Ce:YAG single crystal with diameter of φ50 mm and diameter of 150 mm was successfully grown. This study can provide direction and guidance for the quality improvement of mass grown Nd,Ce:YAG crystals.
Advantages Of Nd,Ce:YAG
● High efficiency
● Low threshold
● High optical quality
● Good anti-UV irradiation property;
● Good thermal stability
Technical Parameters
| Chemical formula | Nd3+:Ce3+:Y3Al5O12 |
| Crystal Structure | Cubic |
| Lattice Parameters | 12.01A |
| Melting Point | 1970 ℃ |
| Moh Hardness | 8.5 |
| Density | 4.56±0.04g/cm3 |
| Specific Heat (0-20) | 0.59J/g.cm3 |
| Modulus of Elasticity | 310GPa |
| Young's Modulus | 3.17×104Kg/mm2 |
| Poisson Ratio | 0.3(est.) |
| Tensile Strength | 0.13~0.26GPa |
| Thermal Expansion Coefficient | [100]:8.2 × 10-6/ ℃ |
| [110]:7.7 × 10-6/ ℃ | |
| [111]:7.8 × 10-6/ ℃ | |
| Thermal Conductivity | 14W/m/K(at 25 ℃ ) |
| Thermal Optical Coefficient (dn/dT) | 7.3×10-6/ ℃ |
| Thermal Shock Resistance | 790W/m |
Laser Properties
| Laser Transition | 4F3/2 --> 4I11/2 |
| Laser Wavelength | 1.064μm |
| Photon Energy | 1.86×10-19J at 1.064μm |
| Emission Linewidth | 4.5A at 1.064μm |
| Emission Cross Section |
2.7~8.8×10-19cm-2 |
| Fluorescence Lifetime | 230μs |
| Index of Refraction | 1.8197@1064nm |
Technical Parameters
| Product Name | Nd,Ce:YAG |
| Dopant concentration, at.% | 0.1-2.5% |
| orientation | within 5° |
| Flatness | < λ/10 |
| Parallelism | ≤ 10" |
| Perpendicularity | ≤ 5 ′ |
| Surface quality | 10-5 per scratch-dig MIL-O-13830A |
| Optical Quality | Interference fringes ≤ 0. 25λ /inch |
| Extinction ration ≥ 30dB | |
| Size | Diameter:3~8mm; Length:40~80mm customized |
| Dimensional tolerances | Diameter+0.000"/-0.05"; Length ±0.5"; Chamfer: 0.07+0.005/-0.00" at 45° |
| AR Coating Reflectivity | ≤ 0.2% (@1064nm) |
- Some casual size in industry area :5*85mm,6*105mm,6*120mm,7*105mm,7*110mm,7*145mm etc.
- Or you can customize other size (it is better that you can send me the drawings )
- You can customize the coatings on the two end faces.
