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| Production Name: | Gallium Gadolinium Garnet (GGG) | Chemical Formula: | Gd3Ga5O12 |
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| Lattic Parameter: | A=12.376Å | Growth Method: | Czochralski |
| Density: | 7.13g/cm3 | Mohs Hardness: | 8.0 |
| Melting Point: | 1725℃ | Refractive Index: | 1.954 At 1064nm |
| High Light: | Gd3Ga5O12 Magneto Optical GGG Substrates,Gd3Ga5O12 GGG Optical Substrates,Magneto Optical GGG Crystal |
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GGG Substrate, Gadolinium Gallium Garnet Substrates for Magneto-optical Film
GGG substrate, Gadolinium gallium garnet (GGG) is dedicated substrates for magneto-optical film. In the 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 these magneto-optical material, Thus ensuring the YIG, BIG film epitaxial growth be successful.
GGG have good physical and mechanical properties and chemical stability. GGG is the best substrate material for made the 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 |
| Lattic 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 Apereture | >90% |
| Large Dimensions of Crystals | 2.8-76 mm in diameter |
Contact Person: Zheng
Tel: +86 18255496761
Fax: 86-551-63840588
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