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TGG
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..

 Terbium Gallium Garnet (TGG) Crystal

 

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 ApplicationFaraday 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

 

 

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

 

 

 

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%

 

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%

 

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