0.5mm Gadolinium Gallium Garnet GGG Crystal Substrate with EPI Polish for YIG Applications - 2.8-76mm Diameter Range
Price:
USD 20-500/pc
MOQ:
1pc
Delivery Time:
4-5weeks
Brand:
Crystro
Product Description
Gadolinium Gallium Garnet GGG Crystal Substrates
Product Overview
Gadolinium Gallium Garnet (GGG) is a crystalline garnet material with exceptional optical properties, primarily used as a substrate for YIG crystal growth and various optical applications. Available in single crystals, ingots, boules, and wafers with standard and custom dimensions.
Key Advantages
- Large dimensions ranging from 2.8mm to 76mm diameter
- Low optical losses <0.1%/cm
- High thermal conductivity: 7.4W m⁻¹K⁻¹
- Exceptional laser damage threshold >1GW/cm²
Material Properties
| 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 |
Technical Specifications
| Parameter | Specification |
|---|---|
| Orientation | [111] within ±15 arc min |
| Wave Front Distortion | <1/4 wave @632nm |
| 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% |
Available Forms & Customization
Available in polished (single or double-sided EPI polish) 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