Optical Isolator Square TGG Crystal Blocks With High Extinction Ratio
Brand Name:Crystro
Certification:SGS/ROHS/REACH
Model Number:CR20121229-01
Minimum Order Quantity:1pcs
Delivery Time:1-4 weeks
Payment Terms:T/T, Western Union, MoneyGram, Paypal
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Square 28*28*6 TGG Crystal Blocks With High Extinction Ratio
Description:
The magneto-optical crystal TGG crystal is key material for free space faraday isolator. It's an optimum material for Faraday devices (Rotator and Isolator) in the wavelength range 400 nm-1100 nm, excluding 470-500 nm. TGG crystal 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.
Crystro Supply TGG Crystal Boule With Diameter 4 Inches.
It is now the biggest size available in China.
Terbium Gallium Garnet (TGG) Crystal Used for Faraday Isolators and Rotators
TGG is an excellent magneto-optical crystal used in various Faraday devices (Rotator and Isolator) in the range of 400nm-1100nm, excluding 475-500nm.
Features:
Large Size Boule Diameter: up to 4”
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;
Free Space Isolator;
RoHS Document:
Main Properties:
| Chemical Formula | TB3Ga5O12 |
| Lattic Parameter | a=12.355Å |
| Growth Method | Czochralski |
| Density | 7.13g/cm3 |
| Mohs Hardness | 8.0 |
| Melting Point | 1725℃ |
| Refractive Index | 1.954 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 |
| Chamfer | 0.10mm@45º |
| Flatness | <1/10 wave at 633nm |
| Parallelism | < 30 arc Seconds |
| Perpendicularity | < 5 arc min |
| Surface Quality | 10/5 Scratch/Dig |
| AR Coating | <0.2% |
| Large Dimensions of Crystals | 2.0--76 mm in diamete |
Our Company:
Optical Isolator Square TGG Crystal Blocks With High Extinction Ratio
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