| Sign In | Join Free | My himfr.com |
|
Growing crystal, Lingling Value.
6 Years
| Ask Lasest Price | |
| Brand Name : | CRYLINK |
| Certification : | Iso9001 |
| Price : | negotiation |
| Delivery Time : | 3-4 weeks |
| Payment Terms : | TT |
| Supply Ability : | 100 pieces /month |
| Model Number : | CRYLINK-Yb YAG Laser Crystal |
Laser Crystal—Yb:YAG
1 Description
Yb:YAG crystal possesses many attractive laser characteristics including high quantum efficiency, no excited state absorption and upconversion loss, long radiative lifetime of the upper laser level, large absorption width, broad emission width, good optical, thermal and mechanical properties, so it is considered as the most potential gain for high efficiency, high power diode-pumped solid-state lasers.
2 Features
Wide absorption bandwidth |
Low lasing threshold |
High slope efficiency |
Large luminescence cross-section |
Linearly polarized emission and single-mode output |
3 Applications
Model-locked laser |
Laser welding |
Laser cutting |
Laser marking |
4 Main Specifications
| Materials | Yb:YAG |
Yb Concentration tolerance (atm%) | 0.5, 1, 2, 3, 5, 7.5, 10, 15, 20, 25% |
Orientation | [001] or [110] or [111] < ±0.5° |
Parallel | 10 |
Perpendicular | 5 |
surface Quality | 10/5 |
Wavefront Distortion | /4 @632nm |
Surface Flatness | /8 @632nm |
Clear Aperture | >95% |
Chamfer | <0.1×45° |
Thickness/Diameter Tolerance | ±0.05 mm |
Maximum dimensions | dia 50×100mm |
Coatings | AR/AR @940+1030HR @1030+HT @940+AR1030 |
5 Material characteristics
Physical and chemical characteristics
Properties | Yb:YAG |
Crystal Structure | cubic - la3d |
Lattice Constants | 12.01 |
Density | 4.56 g/cm3 |
Melting Point | 1970°C |
Refractive Index @1.030 m | 1.82 |
Thermal Conductivity /(Wm-1K-1@25°C) | 14 |
Specific Heat/ (Jg-1K-1) | 0.59 |
Thermal Expansion /(10-6K-1@25°C | 8.2 [100] 7.7 [110] 7.8 [111] |
Hardness (Mohs) | 8.5 |
Young`s Modulus /GPa | 317 |
Shear Modulus / GPa | 54.66 |
Extinction Ratio | 25dB |
Poisson Ratio | 0.25 |
Optical characteristics
Properties | Yb:YAG |
pump transition wavelength, p (nm) | 941969 |
laser transition wavelength, l (nm) | 1030 |
pump transition bandwidth,p (nm) | 18 |
laser transition bandwidth, l (nm) | ~6 |
pump transition peak cross section,p (E-20 cm2) | 0.77 |
laser transition peak cross section, l (E-20 cm2) | 2.1 |
pump ransition saturation intensity,p (kW/cm2) | 28 |
laser transition saturation intensity, l (kW/cm2) | 9.5 |
laser transition saturation fluence, l,sat (J/cm2) | 9 |
minimum pump intensity, Imin (kW/cm2) | 2.8 |
upper laser manifold lifetime,(msec) | 0.97 |
quantum defect fraction | 0.11 |
fractional heat generation | ~0.11 |
|
|
