10mm X 10mm X 0.5mm Semiconductor Epitaxial Film Growing GGG Crystal
GGG 10mm X 10mm X 0.5mm Substrate For Semiconductor Epitaxial Film Growing
GGG substrate, Gadolinium gallium garnet (GGG) is dedicated substrates for the magneto-optical film. In optical communication devices, require a lot of using 1.3μ and 1.5μ optical isolator, Its core component is the YIG or BIG film been placed in a magnetic field. GGG single crystal substrates of different tangential, which can achieve the best lattice match with this magneto-optical material, Thus ensuring the YIG, BIG film epitaxial growth be successful.
GGG has good physical and mechanical properties and chemical stability. GGG is the best substrate material for made microwave isolators.
Main Advantages:
Large dimensions,from 2.8 to 76mm.
Low optical losses (<0.1%/cm)
High thermal conductivity (7.4W m-1K-1).
High laser damage threshold (>1GW/cm2)
Main Properties:
| 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 |
CRYSTRO can offer:
| 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% |
| Large Dimensions of Crystals | 2.8-76 mm in diameter |
Product Picture:
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