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Name: | TGG Crystal Rods | Diameter: | 3.8*15mm |
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Chemical Formula: | TB3Ga5O12 | Growth Method: | Czochralski |
Density: | 7.13g/cm3 | Mohs Hardness: | 8.0 |
Melting Point: | 1725℃ | Refractive Index: | 1.954 At 1064nm |
Lattic Parameter: | A=12.355Å | Verdet(rad/M/T): | 190/134/40@532nm/633nm/1064nm |
High Light: | ROHS tgg rods,3.8mm tgg rods,3.8mm terbium gallium garnet |
Terbium Gallium Garnet (TGG) is an excellent magneto-optical crystal used in various Faraday devices (Rotator and Isolator) in the range of 400nm-1100nm, excluding 475-500nm.TGG has many advantages compared to other magneto-optical crystals. It has a less optical loss, lower thermally induced beam distortion, and twice bigger Verdet constant than a terbium doped glass.
Orientation | [111] within ±15 arc min |
Wavefront 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--100 mm in diameter |
1. Large Verdet Constant:35 Rad T-1m-1
2. Low Optical Losses : <0.1%/cm
3. High thermal conductivity: 7.4W m-1K-1
4. High laser damage threshold :>1GW/cm
Contact Person: Chen Dongdong
Tel: +86 18326013523
Fax: 86-551-63840588
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