Gadolinium Gallium Garnet GGG Magneto-Optical Crystals - 2.8-76mm Diameter, 7.13 g/cm³ Density
Price:
USD 20-500/pc
MOQ:
1pc
Delivery Time:
4-5weeks
Brand:
Crystro
Product Description
Gadolinium Gallium Garnet (GGG) Magneto-Optical Crystals
Material Overview
Gadolinium Gallium Garnet (GGG, Gd₃Ga₅O₁₂) is a high-performance synthetic crystalline material from the garnet family, offering exceptional mechanical, thermal, and optical characteristics. This colorless crystal features a cubic lattice structure and is manufactured using the Czochralski method, with optional dopants available for color modification.
Key Performance Advantages
- Large dimensional range: 2.8mm to 76mm diameter
- Ultra-low optical losses: <0.1%/cm
- High thermal conductivity: 7.4W·m⁻¹·K⁻¹
- Exceptional laser damage threshold: >1GW/cm²
Material Specifications
| Property | Specification |
|---|---|
| Chemical Formula | Gd₃Ga₅O₁₂ |
| Lattice Parameter | a = 12.376Å |
| Growth Method | Czochralski |
| Density | 7.13 g/cm³ |
| Mohs Hardness | 8.0 |
| Melting Point | 1725℃ |
| Refractive Index | 1.954 at 1064nm |
Manufacturing Tolerances & Quality Standards
| Parameter | Tolerance |
|---|---|
| Orientation | [111] within ±15 arc min |
| Wave Front Distortion | <1/4 wave @632nm |
| Diameter Tolerance | ±0.05mm |
| Length Tolerance | ±0.2mm |
| Chamfer | 0.10mm @45° |
| Flatness | <1/10 wave at 633nm |
| Parallelism | <30 arc seconds |
| Perpendicularity | <15 arc min |
| Surface Quality | 10/5 Scratch/Dig |
| Clear Aperture | >90% |
Applications
GGG crystals are essential for manufacturing high-performance optical components and serve as premium substrate materials for magneto-optical films. Their exceptional optical clarity and durability also make them suitable for high-end jewelry applications as diamond simulants.
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Company
ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd.
Location
No. 176, Yuner Rd, Yunhai Rd Industrial Park, Baohe District，Hefei City，Anhui Province
Contact Person
Wu