GGG 4 Inch Diameter Gadolinium Gallium Garnet Crystal with 7.13 g/cm³ Density and 8.0 Mohs Hardness for Optical Applications
MOQ:
1pc
Delivery Time:
4-5weeks
Brand:
Crystro
Product Description
GGG 4 Inch 100 Orientation Gadolinium Gallium Garnet Crystal
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, making it ideal for advanced optical applications and as a substrate for magneto-optical films.
Key Advantages
- Large dimensions up to 4 inches diameter
- Multiple crystal orientations: <111> and <100>
- High thermal conductivity: 7.4 W/m·K
- Exceptional laser damage threshold: >1 GW/cm²
- Low optical losses: <0.1%/cm
Material Properties
| Property | Specification |
|---|---|
| Chemical Formula | Gd₃Ga₅O₁₂ |
| Lattice Parameter | a = 12.376 Å |
| Growth Method | Czochralski |
| Density | 7.13 g/cm³ |
| Mohs Hardness | 8.0 |
| Melting Point | 1725°C |
| Refractive Index | 1.954 at 1064 nm |
Technical Specifications
| Parameter | Value |
|---|---|
| Orientation | [111] within ±15 arc min |
| Wave Front Distortion | <1/4 wave @ 632 nm |
| Diameter Tolerance | ±0.05 mm |
| Length Tolerance | ±0.05 mm |
| Chamfer | 0.10 mm @ 45° |
| Flatness | <1/10 wave at 633 nm |
| Parallelism | <30 arc seconds |
| Perpendicularity | <15 arc min |
| Surface Quality | 10/5 Scratch/Dig |
| Clear Aperture | >90% |
| Maximum Dimensions | Diameter up to 4 inches |
This high-precision GGG crystal is engineered for demanding applications in optical systems, laser technology, and magneto-optical devices, providing reliable performance with exceptional dimensional accuracy and optical clarity.
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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