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Address: NO.10, HEZHANG ROAD
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ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd. |
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Crystro Sucessfully Grow TGG Crystal Boule With Diameter 3 Inches ( 76mm )
It is now the biggest size available in China.
Terbium Gallium Garnet (TGG) Crystal Used for Faraday Isolators and Rotators
TGG is an excellent magneto-optical crystal used in various Faraday devices (Rotator and Isolator) in the range of 400nm-1100nm, excluding 475-500nm.
Main Advantages:
Main Properties:
| Chemical Formula | Tb3Ga5O12 |
| Lattic Parameter | a=12.355Å |
| Growth Method | Czochralski |
| Density | 7.13g/cm3 |
| Mohs Hardness | 8.0 |
| Melting Point | 1725℃ |
| Refractive Index | 1.954 at 1064nm |
CRYSTRO supply TGG crystal with:
| Orientation | [111] within ±15 arc min |
| Wave Front Distortion | <1/8 wave |
| Extinction Ratio | >35dB |
| Diameter Tolerance | +0.00mm/-0.05mm |
| Length Tolerance | +0.2mm/-0.2mm |
| Chamfer | 0.10mm@45º |
| Flatness | <1/10 wave at 633nm |
| Parallelism | < 30 arc Seconds |
| Perpendicularity | < 5 arc min |
| Surface Quality | 10/5 Scratch/Dig |
| AR Coating | <0.2% |
| Large Dimensions of Crystals | 2.0--76 mm in diameter |
