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Co:Spinel Crystals SKU: CoMALO-05-70
Co²⁺:MgAl2O₄ (Co:Spinel or Co:MALO) is a relatively 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 × 10⁻¹⁹ cm²)…
Variant specifications
| Specification | Value |
|---|---|
| Diameter, mm | 5 |
| Initial Transmission, % | 70 |
Shared product specifications
These specifications apply across the Co:Spinel Crystals product family.
| Transmission tolerances | ±2 % |
| Surface flatness | <λ / 10 @ 632.8 nm |
| Diameter tolerances | +0.0 / -0.2 mm |
| Parallelism error | < 20 arcsec |
| Perpendicularity | < 5 arcmin |
| Surface quality | 10-5 scratch & dig (per MIL-O-13830A) |
| Protective chamfers | <0.1 mm @ 45° |
| AR Coating reflectivity | <0.2 % @ 1540 nm |
| Co2+:MgAl₂O₄ | Cr4+:YAG | |
|---|---|---|
| Working wavelength range, µm | 1.2-1.6 | 0.8–1.2 |
| Ground state absorption cross-section, cm² | 3.5×10⁻¹⁹ &ⁿbsp;(at 1.54 µm) | 5×10⁻¹⁸ / (at 1.06 µm) |
| Initial transmittance, % | 30-99 | 20-99 |
Product brochures
Shared documentation for the complete product family.