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Co2+:MgAl2O4 ( Co2+:Spinel) Crystals For Sale
Co2+:MgAl2O4 Single Crystal Substrate Brief Introduction:
Co2+:MgAl2O4 (Co2+:Spinel or Co:MALO) crystals is a new material for passive Q-switching in lasers emitting from 1.2 to 1.6 µm, in particular, for eye-safe 1.54 µm Er:glass laser, but also works at 1.44 µm and 1.34 µm wavelengths. High absorption cross section (3.5 × 10-19cm2) permits Q-switching of Er:glass laser without intracavity focusing both with flash-lamp and diode-laser pumping. Negligible excited-state absorption results in high contrast of Q-switch, i.e. the ratio of initial (small signal) to saturated absorption is higher than 10. Hangzhou Shalom EO offer the high quality Co:Spinel crystals materials with high optical quality and uniform distribution of Co2+ in laser grade polishing and coatings.
Co2+:MgAl2O4 Single Crystal Substrate Main Properties:
| Specifications | |
| Material | Co2+:MgAl2O4 |
| Orentation | <111>+/-0.5° |
| Doping rate of Co2+ | 0.05-0.3 atm% |
| Optical density | 0.1-0.9 |
| Absorption coefficient | 1.0cm-1-7cm-1 |
| Transmittance | 30%-99% |
| Absorption section | 3.5 x 10-19cm2 |
| Thickness/Diameter tolerance | +/-0.1mm |
| Parallelism | 10″ |
| Perpendicular | 5′ |
| Surface quality | 10/5 |
| Wavefront distortion | Lambda/8 @ 632nm |
| Flatness | Lambda/8 @ 632nm |
| Aperture | >90% |
| Chamfer | 0.1 x 45° |
| HR Coating | <=0.2%(@ 1533nm) |
| Damage threshold | >500MW/cm2 |
