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Name: | Terbium Gallium Garnet | Chemical Formula: | TB3Ga5O12 |
---|---|---|---|
Growth Method: | Czochralski | Crystal Structure: | Cubic |
Density: | 7.13g/cm3 | Size: | D28*28*6 Mm |
Mohs Hardness: | 8.0 | Melting Point: | 1725℃ |
Refractive Index: | 1.954 At 1064nm | Lattic Parameter: | A=12.355Å |
High Light: | Single Crystal TGG Blocks,28*28*6 TGG Synthetic Garnet,Synthetic Terbium Gallium Garnet |
Terbium gallium garnet (Tb3Ga5O12, TGG) is a crucial category of magneto-optical materials for use in the visible and near-infrared spectral regions((400-470nm and 500-1500nm)). The TGG crystal possesses a large Verdet constant (35 RadT−1m−1 at 1064 nm), high thermal conductivity (7.4 Wm−1K−1), low optical losses (< 0.1%/cm), and high laser damage threshold (> 1 GW/cm2). Therefore, it is an attractive Faraday-rotating crystal suitable for constructing magneto-optical isolators, magneto-optical switches, magneto-optical modulators, and so on, widely used in YAG, Ti-doped sapphire, and other multi-stage amplification, ring type, seed injection laser.
Material Properties :
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 |
Main Features :
Large Size Boule Diameter: up to 4”
Extinction Ratio Typical: >35 dB High Grade: >40 dB
Verdet Constant 40 rad/T/m at 1064 nm
Refractive Index 1.95 at 1064 nm
We can offer to customize TGG crystal sizes upon your request.
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 arcmin |
Surface Quality |
10/5 Scratch/Dig |
AR Coating |
<0.2% |
Large Dimensions of Crystals |
MAX φ 101.6mm (4 inches) |
Product Details:
Contact Person: Chen Dongdong
Tel: +86 18326013523
Fax: 86-551-63840588
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