| Dopant Concentration | Nd: 0.9-1.3 atm %, Ce : Nd=1:10 |
Orientation | <111> crystalline direction within 5℃ |
| Flatness | <λ/10 | Parallelism | ≤10 arc seconds |
| Perpendicularity | ≤5 arc minutes | Surface Quality | 10/5 S/D MIL-O-13830A |
| Optical Quality | Interference fringes ≤ 0. 25 λ /inch Extinction ration ≥ 30dB |
Size | Diameter: 3~8mm, Length: 40~80mm Custom sizes available upon request |
| Dimensional Tolerances | Diameter: +0.000"/-0.05" Length: ±0.5" |
AR-Coating Reflectivity | ≤ 0.2% (@1064nm) |
Physical and Chemical Properties:
| Chemical Formula | Nd3+: Ce3+: Y3Al5O12 | Crystals Structure | Cubic |
| Lattice Parameters | 12.01Å | 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 | Poission 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(@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@1.064μm | Emission Linewidth | 4.5A @1.064μm |
| Emission Cross Section | 2.7~8.8×10-19cm-2 | Fluorescence Lifetime | 230μs |
| Index of Refraction | 1.8197@1064nm | Intrinsic Loss | <0.003cm-1@1064nm |
| Pump Wavelength | 808nm | ||
Nd:Ce:YAG crystal is an excellent laser gain media used for non-water-cooled lasers and miniature laser systems. With the cerium ions doped as sensitizers for the Nd ions, thermal distortion is reduced and laser output power is higher than that of the Nd:YAG crystals with the same pumping source, permitting high power density with superior beam quality. The (Nd, Ce): YAG laser rod we produce has the characteristics of high efficiency, low lasing threshold, excellent UV radiation resistance, and high repetition frequencies for laser operation. Nd:Ce:YAG laser crystal is an ideal laser material for high repetition air cooling lasers. It is suitable for different modes of operation (CW, pulsed, Q-switched, mode-locked, frequency-doubled ) and high-average power lasers.
Shanghai North Optics offers Nd:Ce:YAG crystals, different doping concentrations and specifications are available for selection.
Laser Crystal Comparison Chart:
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