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  • Nonlinear Crystal TGG Crystals
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  • Nonlinear Crystal TGG Crystals

Nonlinear Crystal TGG Crystals

Terbium Gallium Garnet (TGG) Crystal Used for Faraday Isolators and Rotators. TGG is an excellent magneto-optical crystal used in various Faraday devices (Rotator and Isolator) in the range of 400nm-1100nm, excluding 475-500nm.
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TGG Crystals
Terbium Gallium Garnet (TGG) Crystal Used for Faraday Isolators and Rotators. TGG is an excellent magneto-optical crystal used in various Faraday devices (Rotator and Isolator) in the range of 400nm-1100nm, excluding 475-500nm.

Feature
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)
For Farady Isolators and Rotators

Specifications:
Orientation [111] within ±15 arc min WaveFront Distortion <1/8 wave
Extinction Ratio >35dB Diameter Tolerance +0.00mm/-0.05mm
Length Tolerance +0.2mm/-0.2mm Chamfer 0.10mm@45º
Flatness <1/10 wave @ 633nm Parallelism < 30 arc Seconds
Perpendicularity < 5 arcmin Surface Quality 10/5 Scratch/Dig
AR Coating <0.2% Large Dimensions of Crystals 2.0--76 mm in diameter

 

Basic Properties:

Chemical Formula Tb3Ga5O12 Lattice Parameter a=12.355Å
Growth Method Czochralski Density 7.13g/cm3
Mohs Hardness 8.0 Melting Point 1725℃
Refractive Index 1.954 @1064nm
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