TGG
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TGG
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- Commodity name: TGG
Crystro supplies TSAG-grade 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). Products certified by international customers (https://www.en.crystro.cn/the-role-of-luagce-scintillator-crystals-in-radiation-detection-2/).
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. Crystro could provide φ4 inch TGG boule.Crystro supplies TSAG-grade TGG.
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:
Fiber isolator
Free-space isolator
Faraday rotator
Crystro supplies TSAG-grade TGG
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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 -
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)
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