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
FEATURES:
Large Verdet constant (35 Rad T-1 m-1)
Low optical losses (<0.1%/cm)
High thermal conductivity (7.4W m-1 K-1).
High laser damage threshold (>1GW/cm2)
Properties：
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Chemical Formula
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Tb3Ga5O12
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Lattice Parameter
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a=12.355Å
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Growth Method
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Czochralski
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Density
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7.13g/cm3
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Mohs Hardness
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8.0
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Melting Point
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1725℃
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Refractive Index
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1.954 at 1064nm
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Specifications：
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Orientation
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[111]，±15′
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Wavefront Distortion
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＜λ/8
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Extinction Ratio
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＞30dB
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Diameter Tolerance
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+0.00mm/-0.05mm
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Length Tolerance
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+0.2mm/-0.2mm
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Chamfer
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0.10mm @ 45°
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Flatness
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＜λ/10 at 633nm
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Parallelism
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＜30″
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Perpendicularity
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＜5′
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Surface Quality
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10/5
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AR coating
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＜0.2%
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