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ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd.
ANHUI CRYSTRO CRYSTAL MATERIALS CO., LTD.
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Magneto Optical Crystal Terbium Gallium Garnet TGG For Optical Isolator Devices

ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd.
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Magneto Optical Crystal Terbium Gallium Garnet TGG For Optical Isolator Devices

Brand Name : Crystro
Place of Origin : China
MOQ : 10pcs
Price : USD 20-100/pc
Payment Terms : T/T, Western Union, MoneyGram, Paypal
Supply Ability : 10000pcs per week
Delivery Time : 4-5 weeks
Packaging Details : Transparent clean box
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Magneto Optical Crystal Terbium Gallium Garnet ( TGG ) for Optical Isolator Devices

Terbium Gallium Garnet (TGG) is the right crystal material for Farady devices. The Farady ratator is made up of a TGG rod contained in a special designed magnet. The polarization of a light beam passing through the rotator makes rotation.

The optical isolator is a Faraday rotator set between two suitably aligned polarizers which allows a light beam to pass through in one direction only. TGG has a combination of excellent properties such as large Verdet constant, low light loss, high thermal conductance and high light damage threshold which makes it a unique material for Faraday devices particularly suitable for YAG lasers and Ti: sapphire tunable lasers, ring lasers and seed injected lasers.

The magneto-optical crystal TGG is an optimum material for Faraday devices in the range from 400nm-1100nm, excluding 470-500nm.The Faraday rotator consists of a TGG rod contained inside a special designed magnet. The rotation sense of the polarization of a light beam passing through the rotator only depends on the direction of the magnetic field and not on the direction of propagation of the light beam.


The direction of rotation is only dependent on the direction of the magnetic field and not on the direction of propagation of the light beam.The optical isolator consists of a 45 degree rotator set between two suitably arrayed polarizers which allow a light beam to pass through in one direction only. With a combination of excellent properties, such as large verdet constant,low light loss, high thermal conductance and high light damage threshold,TGG is the unique material for Farady devices. It is widely used for YAG lasers and Ti:sapphire tunable lasers,ring lasers ,etc.


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.


Main Properties:

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

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:

magneto optic materials

      

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