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Faraday Isolators Terbium Gallium Garnet TGG Crystal

ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd.
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Faraday Isolators Terbium Gallium Garnet TGG Crystal

Brand Name : Crystro

Model Number : CRTGG-1

Certification : SGS

Place of Origin : China

MOQ : 1

Price : Negotiable

Payment Terms : T/T, Western Union, MoneyGram

Supply Ability : 100 pcs per week

Delivery Time : 3-4 weeks

Packaging Details : Transparent clean box

Name : Terbium Gallium Garnet

Chemical Formula : TB3Ga5O12

Growth Method : Czochralski

Density : 7.13g/cm3

Mohs Hardness : 8.0

Melting Point : 1725℃

Refractive Index : 1.954 at 1064nm

Lattic Parameter : a=12.355Å

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Terbium Gallium Garnet (TGG) Crystal Used For Faraday Isolators and Rotators


Terbium gallium garnet (Tb3Ga5O12, TGG) is a crucial category of magneto-optical materials for use in the visible and the near-infrared spectral regions((400-470nm and 500-1500nm)). The TGG crystal possesses a large Verdet constant (35 RadT−1m−1 at 1064 nm), high thermal conductivity (7.4 Wm−1K−1), low optical losses (< 0.1%/cm) and high laser damage threshold (> 1 GW/cm2). Therefore, it is an attractive Faraday-rotating crystal suitable for constructing magneto-optical isolators, magneto-optical switches, magneto-optical modulators and so on,widely used in YAG, Ti-doped sapphire and other multi-stage amplification, ring type, seed injection laser


Main Properties:


Chemical FormulaTB3Ga5O12
Lattic Parametera=12.355Å
Growth MethodCzochralski
Density7.13g/cm3
Mohs Hardness8.0
Melting Point1725℃
Refractive Index1.954 at 1064nm

Features:

  • Large Size Boule Diameter: up to 3”
  • Extinction Ratio Typical: >35 dB High Grade: >40 dB
  • Verdet Constant 40 rad/T/m at 1064 nm
  • Refractive Index 1.95 at 1064 nm

Applications:

  • Faraday Rotator;

  • Optical Isolator.

CRYSTRO supply TGG crystal with:


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
Chamfer0.10mm@45º
Flatness<1/10 wave at 633nm
Parallelism< 30 arc Seconds
Perpendicularity< 5 arc min
Surface Quality10/5 Scratch/Dig
AR Coating<0.2%
Large Dimensions of Crystals2.0--76 mm in diameter


Product Tags:

Terbium Gallium Garnet TGG Crystals

      

TB3Ga5O12 Terbium Gallium Garnet

      

Faraday Isolators TGG Crystals

      
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