Nd:GGG
Our Nd:GGG crystals, also known as Nd:Gd₃Ga₅O₁₂ crystals, are laser crystals with excellent overall performance. They are widely used in LD pumping and as laser gain materials. They offer a large stimulated-emission cross section, high thermal conductivity and a long emission duration. Applications include flashlamps, solid-state heat-capacity lasers and high-power LD-pumped Nd:GGG lasers.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Doping concentration | 0.5~3at.% |
| Orientation | [111] within± 5º |
| Wavefront distortion [@632.8 nm (for the rod) / for the rod] | ≤ 0.5λ/inch@632.8 nm (for the rod) |
| Extinction ratio [@632.8 nm (for the rod) / for the rod] | ≥ 20dB @632.8 nm (for the rod) |
| Dimensions | Diameter: 2~70mm, length: 3~100mm |
| Dimensional tolerance | Diameter: +0.00″/-0.002″, length: ± 0.02″ |
| Barrel finish | Ground Finish with 400# Grit or polished |
| Parallelism [for the rod] | ≤ 10 arcsec (for the rod) |
| Flatness [@632.8nm (for the rod) / for the rod] | ≤λ/4@632.8nm (for the rod) |
| AR Coating Reflectance [@1060nm] | ≤0.25% @1060nm |
| Crystal Structure | Cubic |
| Lattice constant | 12.383 Å |
| Mohs hardness | 8 |
| Poisson's ratio | 0.28 |
| Melting point | 1725°C |
| Density | 7.1 g/cm³ |
| Thermal expansion | 8×10⁻⁶C⁻¹ |
| Laser conversion | ⁴F₃/₂→⁴I₁₁/₂ |
| Laser Wavelength | 1060nm |
| Fluorescence lifetime | 240μs |
| Refractive Index [@1060nm] | 1.94@1060nm |
| Diode pumping band | 808nm, 881nm |
Datasheet
Supplier Information
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