Dy3+:PbGa2S4 Crystal
EKSMA OPTICS offers novel unique crystal - lead thiogallate (PbGa2S4) with dysprosium ions (Dy3+) co-doped by alkali metals (Dy3+:PbGa2S4).
Crystal shows efficient laser emission at room temperature in mid IR range at 4.3-5.5 micron wavelengths.
Crystal shows efficient laser emission at room temperature in mid IR range at 4.3-5.5 micron wavelengths.
Physical Properties
Lasing properties with free running 1.318 µm Nd:YAG laser pump
| Transmission range | 0.44-12 microns |
| Dy3+ concentration in crystal | 0.5 mol. % |
| Non hygroscopic |
Lasing properties with free running 1.318 µm Nd:YAG laser pump
| Obtained oscillation wavelengths | 4.3 µm; 4.53 µm; 4.65 µm, 5.5 µm |
| Absorption at pump | ~1 сm-1 |
| Cross-section at 4.3 mm | 1х10-20 cm2 |
| Lasing threshold | <20 mJ |
| Lasing pulse duration | <1 ms |
| Laser efficiency | up to 2% |
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