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| Item: | 40dB Extinction Ratio Dia4.2mm X 7.5mmTGG Single Crystals Rods | Name: | Terbium Gallium Garnet |
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| Verdet Constant: | 40 Rad/T/m At 1064 Nm | Refractive Index: | 1.95 At 1064 Nm |
| Size: | Dia4.2mm X 7.5mm | Packing: | Transparent Box |
| Origin: | China | Shipment: | DHL/FEDEX.. |
| High Light: | Dia 4.2mm TGG Crystals Rods,40dB TGG Crystals Rods,40dB terbium gallium garnet Rods |
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40dB Extinction Ratio Dia4.2mm x 7.5mmTGG Single Crystals Rods
Currently, terbium gallium garnet (Tb3Ga5O12, TGG) is the most common single-crystal Faraday rotator used in optical isolator applications. Because TGG melts congruently at a temperature of ~ 1825 °C, large crystals can be grown using the Czochralski technique.
Features:
Applications:
Faraday Rotator;
Optical Isolator.
Fiber Isolator
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 |
Contact Person: Wu
Tel: 86-18405657612
