TGG
TGG is an excellent magneto-optical crystal material, which is used in all kinds of Faraday isolators and rotators. The applicable wavelength is 400nm-1100nm (except 475-500nm).
File Download- Product Description
-
Terbium gallium garnet (TGG) is a kind of high performance magneto-optical crystal in the visible and near infrared spectrum, which is widely used in laser technology, optical communication and optical information processing technology. It has high feld constant, low optical absorption coefficient, high laser damage threshold and good optical properties. These excellent properties make TGG crystal an ideal material for magneto-optical isolator.
Main Advantages：
Large Verdet Constant (40 Rad T-1 m-1)
Low optical loss (<0.1%/cm)
High thermal conductivity (7.4W m-1K-1).
High laser damage threshold (>1GW/cm2).
Typical application:
Faraday rotator
Optical isolator
- Material Properties
-
Chemical Formula
Tb3Ga5O12
Lattice Constant
a=12.355Å
Growth Method
Czochralski
Density
7.13g/cm3
Hardness
8.0
Melting Point
1725 ℃
Refractive Index
1.954 @ 1064nm
- Technical Parameter
-
Crystro offers:
Orientation
[111] ±15′
Wave Front Distortion
<λ/8
Extinction Ratio
>35dB
Diameter Tolerance
+0.00mm/-0.05mm
Length Tolerance
+0.2mm/-0.2mm
Chamfer
0.10mm@45º
Flatness
<λ/10 @ 633nm
Parallelism
< 30"
Perpendicularity
< 5'
Surface Quality（S/D）
10-5
Coating
AR, R<0.2%
Dimensions
Max Φ101.6 mm (4’inch)
Note: Above parameters for reference only, please contact our sales Rep. for your specific requirement.