Optical and Photonic Laser Terbium Gallium Garnet (TGG) Crystals AR coating

TGG single crystal has a large magneto-optical constant, low optical loss, high thermal conductivity and high laser damage threshold
  • Item NO.:

    GS-C019
  • Payment:

    L/C、 Western Union、 D/P、 T/T
  • Product Origin:

    Anhui, China
  • Max Size:

    Dia50mm
  • Orientation:

    <100>、<110>、<111>
  • Package:

    100 clean bag,1000 exactly clean bag
  • Product Detail

  • Specification

  • Process flow

  • Packaging

  • Transportation

  • FAQ


 Terbium Gallium Garnet ( TGG) 

     TGG single crystal has a large magneto-optical constant, low optical loss, high thermal conductivity and high laser damage threshold. It is widely used in YAG, Ti-doped sapphire and other multi-stage amplification, ring, seed injection lasers.
     TGG single crystal is the best magneto-optical material for making Faraday rotators and isolators, and the applicable wavelength is 400-1100nm (not including 470nm-500nm). The Faraday rotator consists of a TGG crystal rod and a specially designed magnet. The polarization direction of the light beam passing through the magneto-optical material will be deflected under the action of the magnetic field, and its deflection direction is only related to the direction of the magnetic field, and has nothing to do with the direction of light beam propagation. The optical isolator consists of a 45-degree deflection rotator and a pair of appropriately placed polarizers. It allows the light beam to pass in only one direction and blocks the light beam propagating in the opposite direction.

Chemical formula:

Tb3Ga5O12

Lattice constant:

Cube, a=12.355 Å

Growth method:

Tirafa

density:

7.13g/cm3

Moh's hardness:

8.0

Melting point:

1725°C

Refractive index:

1.954  @ 1064nm

Thermal conductivity:

9.4 * 10 -6  /K 

Widdell constant:

0.12min/Oe.cm at 1064nm

Crystal standard specifications:

Processing index:

 

Orientation accuracy:

〔111 〕 ±  5  °

Wavefront distortion:

<λ/8 wave total  @633nm

Extinction Ratio:

A:>30dB , B:>28dB

                                           Dimension tolerance:

diameter:

± 0. 1 mm

length:

± 0. 05 mm

Chamfer:

0.2mm at 45 °

                                           Other parameters:

Flatness:

<λ/10 wave at 633nm

Parallelism of clear surface:

<1  arc minute


Main Properties
Process Indicators
Chemical Formula
TB3Ga5O12
Orientation
[111]within ±15 arc min
Lattic Parameter
a=12.355A
Extinction Ratio
>35dB
Growth Method
Czochralski
Diameter Tolerance

+0.00mm/-0.05mm
Density
7.13g/cm³
Length Tolerance
+0.2mm/-0.2mm
Mohs Hardness
8.0
Chamfer
0.10mm@45°
Melting Point
1725℃
Perpendicularity
<5 arc min
Refractive Index
1.954 at1064nm
Parallelism
<30 arc Seconds
Surface Quality
10/5 Scratch/Dig
AR Coating
<0.2%
Size available
2.0--75 mm in diameter
Q: Are you trading company or manufacturer ?
     We are factory.
Q: How long is your delivery time?
    Generally it is 3-5 days if the goods are in stock.
    or it is 7-10 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
    Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
     Payment <=5000USD, 100% in advance.
     Paymen >=5000USD, 80% T/T in advance , balance before shippment.
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