TGG (Terbium Gallium Garnet)

tgg

Applications
tgg verdet constant
tgg datasheet
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​Faraday Rotators and Isolators
Advantages
TGG has twice the Verdet constant of a terbium-doped glass.
Thermal conductivity is an order of magnitude greater than typical glass.
Optical losses are lower for TGG than Tb-doped glasses.​
Material Properties
​   Formula:
​Tb3Ga5O12
Crystal Structure:
[111]
Extinction Ratio (over 2/3 clear aperture): ​30 dB
Verdet Constant (632 nm)​: -134 RadT-1m-1
Verdet Constant (1064 nm): -40 RadT-1m-1
Thermal Conductivity​: 7.4 W cm-1 K-1
Refractive Index: 1.95
Nonlinear Index, n2:
8.0
Figure of Merit, V/a: 27
Figure of Merit, V/n2:
5