Gadolinium Gallium Garnet GGG Substrate 2.8-76mm Diameter with 7.13g/cm³ Density for Magneto-Optical Applications
Price:
USD 20-500/pc
MOQ:
1pc
Delivery Time:
4-5weeks
Brand:
Crystro
Product Description
Gadolinium Gallium Garnet (GGG) Substrates
Gadolinium Gallium Garnet is a crystalline garnet material with extensive optical applications, serving as an excellent substrate for growing other garnet crystals. Crystro manufactures GGG in various forms including single crystals, ingots, boules, and wafers with both standard and custom dimensions.
Key Advantages
- Large dimensions from 2.8mm to 76mm diameter
- Low optical losses <0.1%/cm
- High thermal conductivity 7.4W m⁻¹K⁻¹
- High laser damage threshold >1GW/cm²
Material Properties
| Property | Value |
|---|---|
| Chemical Formula | Gd₃Ga₅O₁₂ |
| Lattice Parameter | a=12.376Å |
| Growth Method | Czochralski |
| Density | 7.13g/cm³ |
| Mohs Hardness | 8.0 |
| Melting Point | 1725℃ |
| Refractive Index | 1.954 at 1064nm |
Manufacturing Specifications
| Parameter | Specification |
|---|---|
| Orientation | [111] within ±15 arc min |
| Wave Front Distortion | <1/4 wave@632 |
| Diameter Tolerance | ±0.05mm |
| Length Tolerance | ±0.2mm |
| Chamfer | 0.10mm@45º |
| Flatness | <1/10 wave at 633nm |
| Parallelism | <30 arc Seconds |
| Perpendicularity | <15 arc min |
| Surface Quality | 10/5 Scratch/Dig |
| Clear Aperture | >90% |
| Crystal Dimensions | 2.8-76mm diameter |
Available in both polished (single or double sided) and unpolished forms. Materials can be doped with rare earths and other elements to meet specific application requirements.
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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