Faraday Polarizer High Isolation Magneto Optical TGG Single Crystals - 35 Rad/T·m Verdet Constant, 7.4 W/m·K Thermal Conductivity
Price:
Negotiable
MOQ:
1pc
Delivery Time:
3-4 weeks
Brand:
Crystro
Product Description
Product Overview
Terbium Gallium Garnet (Tb₃Ga₅O₁₂) single crystals are high-performance magneto-optical materials designed for visible and near-infrared applications (400-470nm and 500-1500nm). These TGG crystals feature exceptional optical properties including large Verdet constant, high thermal conductivity, and superior laser damage threshold, making them ideal for advanced optical systems.
Key Performance Features
- Large Verdet Constant: 35-40 Rad·T⁻¹·m⁻¹ at 1064 nm
- Low optical losses: <0.1%/cm
- High thermal conductivity: 7.4 W·m⁻¹·K⁻¹
- Exceptional laser damage threshold: >1 GW/cm²
- Thermal conductivity 10x greater than typical glass
- Lower optical losses compared to Tb-doped glasses
Primary Applications
- Faraday Rotators
- Optical Isolators
- Magnetic Sensors
- Magneto-optical switches and modulators
- YAG, Ti-doped sapphire, and multi-stage amplification laser systems
- Ring type and seed injection laser configurations
Material Properties
| Property | Specification |
|---|---|
| Chemical Formula | Tb₃Ga₅O₁₂ |
| Lattice Parameter | a = 12.355 Å |
| Growth Method | Czochralski |
| Density | 7.13 g/cm³ |
| Mohs Hardness | 8.0 |
| Melting Point | 1725°C |
| Refractive Index | 1.954 at 1064 nm |
CRYSTRO Manufacturing Specifications
| Parameter | Specification |
|---|---|
| Orientation | [111] within ±15 arc min |
| Wave Front Distortion | <λ/8 wave |
| Extinction Ratio | >35 dB |
| Diameter Tolerance | +0.00 mm/-0.05 mm |
| Length Tolerance | ±0.2 mm |
| Chamfer | 0.10 mm @ 45° |
| Flatness | <λ/10 wave at 633 nm |
| Parallelism | <30 arc seconds |
| Perpendicularity | <5 arc min |
| Surface Quality | 10/5 Scratch/Dig |
| AR Coating | <0.2% |
| Available Diameters | 2.0 - 76 mm |
Technical Advantages
TGG crystals provide superior performance in high-power laser applications with their combination of large Verdet constant (35 Rad·T⁻¹·m⁻¹), high thermal conductivity (7.4 W·m⁻¹·K⁻¹), and exceptional laser damage resistance (>1 GW/cm²), ensuring reliable operation in demanding optical systems.
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Company
ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd.
Location
No. 176, Yuner Rd, Yunhai Rd Industrial Park, Baohe District，Hefei City，Anhui Province
Contact Person
Wu