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Item: YAG-005
Item: YAG-005
Product Name: Nd:Ce:YAG
Nd:Ce:YAG is an excellent laser material used for no-water cooling and miniature laser systems.
Advantages of Nd:Ce:YAG Crystals
- High efficiency
- Low threshold
- Good anti-UV irradiation property
- Good thermal stability
- High optical quality
Material and Specifications
| Dopant concentration | Nd:1.1~1.4at%,Ce:0.05~0.1at% |
| Orientation | [111] within 5° |
| Wavefront Distortion | ≤0.2λ/inch |
| Extinction Ratio | ≥28 dB |
| Rod Sizes | Diameter:3~6mm, Length:40กซ80mm Upon request of customer |
| Dimensional Tolerances | Diameter+0.000"/-0.002",Length ±0.02" |
| Barrel Finish | Ground Finish: 400# Grit |
| Parallelism | ≤10" |
| Perpendicularity | ≤5' |
| Flatness | λ/10 |
| Surface Quality | 10-5(MIL-O-13830A) |
| Chamfer | 0.006"±0.002" |
| AR Coating Reflectivity | ≤ 0.25% (@1064nm) |
Optical and Spectral Properties of Nd:YAG Crystal
| Laser Transition | 4F3/2--> 4I11/2 |
| Laser Wavelength | 1.064μm |
| Photon Energy | 1.86×10-19J@1.064μm |
| Emission Linewidth | 4.5Å @1.064μm |
| Emission Cross Section(Nd1at%) | 2.7~8.8×10-19 cm-2 |
| Fluorescence Lifetime (Nd1at%) | 230μs |
| Index of Refraction | 1.8197@1064nm |
Physical and Chemical Properties
| Crystal Structure | Cubic |
| Lattice Parameters | 12.01 Å |
| Melting Point | 1970oC |
| 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]Direction:8.2×10-6/oC(0~250oC) |
| [110]Direction:7.7×10-6/oC(0~250oC) | |
| [111]Direction:7.8×10-6/oC(0~250oC) | |
| Thermal Conductivity | 14W/m/K(@20oC) |
| 10.5W/m/K(@100oC) | |
| Thermal Optical Coefficient (dn/dT) | 7.3×10-6/oC |
| Thermal Shock Resistance | 790W/m |
| Solubility | Water: Insoluble;Common Acids: Slightly |