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TGG is an excellent magneto-optical crystal used in various Faraday devices (Rotator and Isolator) in the range of 400nm-1100nm, excluding 475-500nm.
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 rather than on the direction of propagation of the light beam. 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 and attractive material for Faraday devices particularly suitable for fiber lasers and Ti: sapphire tunable lasers, ring type lasers and seed injected lasers.
Main Advantages:
• Large Verdet constant (35 Rad T-1 m-1)
• Low optical losses (<0.1%/cm)
• High thermal conductivity (7.4W m-1 K-1).
• High laser damage threshold (>1GW/cm2)
Main Properties:
Chemical Formula
Tb3Ga5O12
Lattice Parameter
a=12.355Å
Growth Method
Czochralski
Density
7.13g/cm3
Mohs Hardness
8.0
Melting Point
1725℃
Refractive Index
1.954 at 1064nm
Thermal conductivity W/( °C*cm)
7.4W cm-1K-1
Polarized light magnetic constant rotation
0.12min/Oe.cm at 1064nm
Specifications:
Orientation
[111],±15′
Wavefront Distortion
＜λ/8
Extinction Ratio
＞35dB
Diameter Tolerance
+0.00mm/-0.05mm
Length Tolerance
+0.2mm/-0.2mm
Chamfer
0.10mm @ 45°
Flatness
＜λ/10 at 633nm
Parallelism
＜30″
Perpendicularity
＜5′
Surface Quality
10/5
AR coating
＜0.2%
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
1988
Total Annual:
50000000-100000000
Employee Number:
500~1000
Ecer Certification：
Verified Supplier
Founded in 1988 in Hefei, JOPTEC is a global leader in R&D and manufacturing of hermetic metal-glass packages for hybrid integrated circuits, high power laser, optical communication, infrared detector and other optoelectronic devices. With the continuous investment in new technologies and facili... Founded in 1988 in Hefei, JOPTEC is a global leader in R&D and manufacturing of hermetic metal-glass packages for hybrid integrated circuits, high power laser, optical communication, infrared detector and other optoelectronic devices. With the continuous investment in new technologies and facili...
