Nd:YAGis a widely used solid-state laser material with excellent comprehensiveperformance, featuring high gain, low threshold, high efficiency, low loss,good thermal conductivity and strong thermal shock resistance. It is suitablefor various laser operating modes (continuous, pulsed, Q-switched, mode-locked,frequency-doubled, etc.). It is widely used in industrial, medical andscientific research fields.
High gain
Low threshold
High efficiency
Low loss at 1.06um
Good thermal conductivity
SPECIFICATIONS | |
Clear Aperture | >95% |
Concentration | 0.1at%~2.5at% |
Orientation | <111> or <100>±5° |
Dimension | Diameter:1~50mm, Length:0.3~220mm (Customized available) |
Dimension Tolerance | Φ:+0/-0.04mm,L:+0.5/-0mm |
Perpendicularity | ≤5′ |
Parallelism | ≤10″ |
Chamfer | 0.15±0.05mm |
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@1064nm | ||
Emission Cross Section | 2.7~8.8×10-475px2@1at%Nd | ||
Fluorescence Lifetime | 230µs@1at%Nd | ||
Absorption Wavelength of Diode Pumped | 808nm | ||
Pump Absorption Bandwidth | 1nm | ||
Main Pump Wavelength Range | 400~850nm | ||
PHYSICAL AND CHEMICAL PROPERTIES | |||
Crystal Structure | Cubic | ||
Melting Point | 1970℃ | ||
Density | 4.56±0.04g/cm3 | ||
Specific Heat | 0.59J/gNaN3@0~20℃ | ||
Elastic Modulus | 310GPa | ||
Young’s Modulus | 3.17×104Kg/mm2 | ||
Mohs Hardness | 8.5 | ||
Poisson’s Ratio | 0.25 | ||
Thermal Expansion Coefficient | <111> orientation:7.8x10-6/K@0~250℃ | ||
<100> orientation:8.2x10-6/K@0~250℃ | |||
<110> orientation:7.7x10-6/K@0~250℃ | |||
Thermal Conductivity | 14W/m/K@20°C | ||
10.5W/m/K@100°C | |||
Thermal Optical Coefficient | 7.3 x 10-6/K | ||
Refractive Index | 1.82@1064nm | ||
Stimulated Emission Cross Section(nmNaN-1) | 2.8x10-19cm2 | ||
Single Path Loss | 0.075px-1@1064nm | ||