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TGG Crystal(Terbium Gallium Garnet)
  • TGG Crystal(Terbium Gallium Garnet)
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Product Details

Terbium Gallium Garnet (TGG) Crystal

TGG is an excellent magneto-optical crystal used in various Faraday devices (Rotator and Isolator) in the range of 400nm-1100nm, excluding 475-500nm.It has large magneto-optical constant, low light loss, high thermal conductivity and high laser damage threshold. It is widely used in multi-stage amplification, ring type and seed injection lasers such as YAG and Ti-doped sapphire.

Main Advantages
• Large Verdet constant (35 Rad T-1m-1)
• Low optical losses (<0.1%/cm)
•High thermal conductivity (7.4W m-1K-1)

•High laser damage threshold (>1GW/cm2)

Basic properties of TGG crystals
Physicochemical properties
Chemical formula
The crystal structure
Cubic crystal system
The lattice constant
Melting point
1725 ℃
Density, g/cm3
Mohs hardness
Magneto optical constants
Transmission loss
Thermal conductivity
Laser damage threshold
> 1GW/cm2
The refractive index

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