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Yttrium Gallium Garnet (TGG)

Yttrium Gallium Garnet (TGG)


Yttrium Gallium Garnet (TGG) crystal has large magneto-optical constant, low light loss and good thermal conductivity. It is widely used in multi-stage amplification, ring and seed injection lasers such as YAG and Ti-doped sapphire. TGG single crystal is great magneto-optical material for making Faraday rotators and isolators. The wavelength is 400~1100nm.

Physical Properties

Material TGG
Structure Cubic
Lattice (A) a=12.376
Growth Method Czochralski
Hardness 6.0-7.0 (Mohns)
Purity 99.95%
Melting point 1800
Density(g/cm3) 7.09 g/cm3
Index of Refractive  1.95


Size 10x3, 10x5, 10x10, 15x15, 20x15, 20x20,Dia 2'' x 0.33 mm
Thickness 0.5 mm, 1.0 mm
Polished SSP or DSP
Orientation <111>
Redirection precision ±0.5°
Redirection the edge special in 1°
Angle of crystalline Special size and orientation are avaiable for request
Ra: ≤5Å5µm×5µm


100 clean bag, 1000 exactly clean room
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