JOPTEC LASER CO., LTD
Laser Components and Beyond
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Specifications
| Material | Nd:YLF |
| Dopant concentration | 1.1+/-0.1at% |
| Dimension | Diameter: 3mm-8mm, Length: 10mm-120mm(upon customer’s request) |
| Diameter tolerance | +0/-0.05mm |
| Length tolerance | +/-0.5mm |
| Orientation | <100> or <001> |
| Extinction Ratio | ≥ 28 dB(depends on actual size) |
| Wavefront Distortion | <λ/4 per inch @633.8nm |
| Barrel finish | Ground |
| Parallelism | <10 arc seconds |
| Perpendicularity | <5 arc minutes |
| Chamfer | <0.15×45° |
| Scratch/Dig | 10-5@MIL-0-13830A |
| Anti-Reflection coating | R<0.25%@1047/1053nm |
| Flatness | λ/8@632.8nm |
Properties
| Chemical formula | LiY 1.0-xNdxF4 |
| Crystal structure | tetragonal |
| Space Group | I41/a |
| Mohs Hardness | 4-5 |
| Melting Point | 825℃ |
| Density | 3.99 g/cm3 |
| Modulus of Elasticity | 85 GPa |
| Thermal Conductivity Coefficient | 0.063 W/cm K |
| Specific Heat | 0.79 J/g K |
| Transparency region | 180-6700nm |
| Spontaneous Fluorescence Lifetime | 485μs for 1% Nd doping |
| Cell Parameters | a=5.16Å,c=10.85Â |