Er:GGG
Our erbium-doped GGG crystals, also known as Er:GGG crystals, are laser crystals with excellent overall performance. They are widely used in optoelectronic countermeasures, lidar and environmental monitoring. They offer high quantum efficiency, good resistance to high temperatures and relatively high thermal conductivity. Applications include microchip lasers, mid-infrared OPO lasers, radar and environmental monitoring instruments.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Chemical formula | Er:Gd₃Ga₅O₁₂ |
| Crystal Structure | Cubic |
| Lattice parameters | 12.38 Å |
| Crystal growth | Czochralski |
| Pump Wavelength | 968nm |
| Refractive Index [@2.7μm] | 1.935@2.7μm |
| Center peak wavelength | 2704nm |
| Laser Wavelength | 2821nm |
| Pump threshold | 7mW |
| Conversion Efficiency | 20.5% |
| Max Output Efficiency | 155mW |
| Ion density | 7.81×10²¹ions/cm³ |
| Absorption cross section [@965nm] | 1.03×10⁻²⁰cm² @965nm |
| Emission cross section [@2.7μm] | 7.24×10⁻¹⁹cm² @2.7μm |
| Er³⁺：⁴I₁₁/₂ Lifetime | 1.06ms |
| Er³⁺：⁴I₁₃/₂ Lifetime | 8.77ms |
Key Features
Datasheet
Supplier Information
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