TB3Ga5O12 1mm Faraday Terbium Gallium Garnet TGG Crystal with 35dB Verdet Constant and 7.13g/cm³ Density
Price:
Negotiable
MOQ:
1pc
Delivery Time:
3-4 weeks
Brand:
Crystro
Product Description
TB3Ga5O12 Faraday Terbium Gallium Garnet TGG Crystal Overview
Terbium gallium garnet (TGG) crystal is a premium magneto-optical material featuring high magneto-optic constant, minimal optical loss, excellent thermal conductivity, and superior laser damage threshold. This 1mm crystal is ideal for Faraday polarizers and isolators operating within the 400-1100nm wavelength range.
Key Material Properties
| Property | Specification |
|---|---|
| Chemical Formula | TB3Ga5O12 |
| Lattice Parameter | a=12.355Å |
| Growth Method | Czochralski |
| Density | 7.13g/cm³ |
| Mohs Hardness | 8.0 |
| Melting Point | 1725℃ |
| Refractive Index | 1.954 at 1064nm |
Performance Advantages
- Large Verdet Constant (Typical 35 dB, Up to 40dB)
- Low optical losses (
- High laser damage threshold (>1GW/cm²)
- Twice the Verdet constant of terbium-doped glass
- Thermal conductivity an order of magnitude greater than typical glass
- Lower optical losses compared to Tb-doped glasses
Technical Specifications
Orientation
[111] within ±15 arc min
Wave Front Distortion
Extinction Ratio
>35dB
Diameter Tolerance
+0.00mm/-0.05mm
Length Tolerance
+0.2mm/-0.2mm
Chamfer
0.10mm@45º
Flatness
Parallelism
Perpendicularity
Surface Quality
10/5 Scratch/Dig
AR Coating
Available Dimensions
CRYSTRO supplies TGG crystals in diameters ranging from 2.0mm to 100mm, with custom length options available to meet specific application requirements.
Primary Applications
- Faraday Rotator systems
- Magnetic sensor components
- Optical Isolator assemblies
- Laser system protection devices
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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