Terbium Gallium Garnet (TGG)
TGG Is an Excellent Magneto-Optical Crystal Commonly Used in Faraday Devices, Including Rotators and Isolators, over 400nm-1100nm Excluding 475-500nm.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Crystal Structure | Cubic Crystal System |
| Unit Cell Parameters | a=b=c=12.355nm |
| Melting Point | 1725°C |
| Mohs Hardness | 8 |
| Density | 7.13g/cm³ |
| Reflection Index | 1.954 |
| Verdet Constant [1064nm] | 0.12 at 1064nm |
| Thermal Conductivity | a=9.4x10⁻⁶/K |
| Wavefront Distortion | <1/8 λ |
| Extinction Ratio | >30dB |
| Diameter Tolerance | +0.00mm/-0.05mm |
| Length Tolerance | +0.2mm/-0.2mm |
| Chamfer [45°] | 0.1mm@45° |
| Flatness [633mm] | <1/10 λ at 633mm |
| Parallelism | <30 arcsec |
| Perpendicularity | <5 arcmin |
Applications
Key Features
Datasheet
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Supplier Information
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