76mm TGG Crystal Boule for Faraday Isolators - 3 Inch Diameter, 4kg Weight with High Verdet Constant 35 Rad T⁻¹m⁻¹
Price:
USD 20000~5000/pc
MOQ:
1pc
Delivery Time:
2~4 weeks
Brand:
Crystro
Product Description
76mm TGG Crystal Boule - 3 Inch Diameter
Terbium Gallium Garnet (TGG) crystal with 76mm diameter and 4kg weight, designed for high-performance Faraday isolators and rotators in laser systems.
Applications & Performance
TGG is an excellent magneto-optical crystal used in various Faraday devices (Rotator and Isolator) operating in the 400nm-1100nm wavelength range, excluding 475-500nm.
Key Performance Advantages
- Large Verdet constant: 35 Rad T⁻¹m⁻¹
- Low optical losses: <0.1%/cm
- High thermal conductivity: 7.4W m⁻¹K⁻¹
- High laser damage threshold: >1GW/cm²
Material Properties
| Property | Value |
|---|---|
| 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 |
Manufacturing Specifications
| Parameter | Specification |
|---|---|
| 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% |
| Available Diameters | 2.0-76 mm |
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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