Nd:Ce:YAG is an ideal material for repetitive frequency air-cooled lasers. It has good resistance to ultraviolet radiation, good thermal stability and excellent repetition frequency. It is widely used in small laser rangefinders and laser medical equipments.
Low threshold
Good anti-UV irradiation property
Good thermal stability
Good repetition frequency
SPECIFICATIONS | |
Concentration | Nd:1.0at%~1.1at%, Ce:0.05at%~0.1atm% |
Orientation | <111> or <100>±5° |
Dimension | Diameter:1mm~40mm,Length:0.3mm~150mm (Customized available) |
Dimension Tolerance | Φ:+0/-0.04mm,L:+0.5/-0mm |
Perpendicularity | ≤5′ |
Parallelism | ≤10″ |
Chamfer | 0.15±0.05mm |
Clear Aperture | >95% |
Scratch Quality | 10/5(MIL-PRF-13830B) |
Barrel finish | Fine Ground, Polishing, Grooving |
Flatness | ≤λ/10@632.8nm |
Wavefront Distortion | ≤λ/10 per inch@632.8nm |
Extinction Ratio | ≥30dB |
Coating | AR coating:R<0.15%@1064nm,R<0.5%@808nm, R<0.15%@532nm |
PR coating :R=(10~90)%±2%@1064nm | |
HR coating:R>99.8%@1064nm,R>99.8%@808nm | |
Damage Threshold | ≥1GW/cm2@1064nm,10ns,10Hz |
OPTICAL PROPERTIES | |||
Laser Transition | 4F3/2→4I11/2 | ||
Laser Wavelength | 1064nm | ||
Photon Energy | 1.86×10-19J@1064nm | ||
Emission Line-width | 4.5Å@1.064μm | ||
Emission Cross Section | 2.7~8.8×10-19cm2@Nd1at% | ||
Fluorescence Lifetime | 230μs@Nd1at% | ||
Absorption Wavelength of Diode Pumped | 808nm | ||
PHYSICAL AND CHEMICAL PROPERTIES | |||
Crystal Structure | Cubic | ||
Melting Point | 1970° | ||
Density | 4.56±0.04g/cm3 | ||
Specific Heat | 0.59J/gNaN3@0~20℃ | ||
Elasticity Modulus | 310GPa | ||
Young’s Modulus | 3.17×104Kg/mm2 | ||
Mohs Hardness | 8.5 | ||
Poisson’s Ratio | 0.3 | ||
Tensile Strength | 0.13~0.26GPa | ||
Thermal Shock Resistance | 790W/m | ||
Thermal Expansion Coefficient | <100>orientation:8.2×10-6/K@0~250°C | ||
<110>orientation: 7.7×10-6/K@0~250°C | |||
<111>orientation:7.8×10-6/K@0~250°C | |||
Thermal Conductivity | 14W/m/K@20℃ | ||
10.5W/m/K@100℃ | |||
Thermal Optical Coefficient | 7.3×10-6/K | ||
Refractive Index | 1.8197@1064nm | ||
Solubility | Insoluble in water, slightly soluble in ordinary acid | ||