TGG Crystals

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

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Specifications:

Orientation	[111] within ±15 arc min	Wave Front 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 arc min	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	Lattic Parameter	a=12.355Å
Growth Method	Czochralski	Density	7.13g/cm³
Mohs Hardness	8.0	Melting Point	1725℃
Refractive Index	1.954 @1064nm

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.

TeO2 Crystals for AO application

High figure of merit(M2=793 x 10^-18S^3/g)
Large refractive index (no=2.274, ne=2.430@633nm)
Large Size Capability
Broad optical transmission range: 350-5000nm
Applications: AOM (Acousto-Optic Modulators), AODF (Acousto-Optic Deflectors), AOTF (acousto-optic tunable filters), FCAOM, etc.

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