Your present location:Home
        Products Detail
        • Product name: Terbium Gallium Garnet (TGG) Crystal
        • Product ID: 128
        • Views : 2484

         

        description:
        Introduction: TGG is an excellent magneto-optical crystal used in various Faraday devices(Rotator and Isolator) in the range of 400nm-1100nm, excluding 475-500nm.
         
        Main Advantage
        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).
        Main Application:Faraday Rotator, Optical Isolator etc..
        Main Properties
            
        Chemical Formula
        Tb3Ga5O12
        Lattice Parameter
        a=12.355Å
        Growth Method
        Czocralski
        Density
        7.13g/cm3
        Mohs Hardness
        8.0
        Melting Point
        1725 ℃
        Refractive Index
        1.954 at 1064nm

        CASTECH supply TGG crystal with
        Standard TGG Rod Specification:
         
        Orientation
        [111] within ±15 arc min
        Wave Front Distortion
        < 1/8 wave
        Extinction Ratio
        > 30dB
        Diameter
        +0.00mm/-0.05mm
        Length
        +0.2mm/-0.2mm
        Chamfer
        0.10mm @ 45°
        Flatness
        < 1/10 wave at 633nm
        Parallelism
        < 30 arc Seconds
        Perpendicularity
        < 5 arc min
        Surface Quality
        10/5 Scratch/Dig
        AR coating
        <0.2%