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- Isolator
- Faraday rotator
TGG Crystal
TGG crystal of YOSC, which is made by the advanced and proven Czochralski (CZ) process, has excellent features like large magneto-optical figure of merit, low light absorption, good thermal conductivity and high laser damage threshold. It is the best magneto-optical material for producing Faraday rotators and isolators. It is suitable for wavelengths of 400nm-1100nm (excluding 470nm - 500nm).
Details
Specification
Documents
Applications
Characteristics
- High Verdet constant
- Large extinction ratio
- High laser damage threshold
- Good thermal conductivity
Structure
Specifications
|
Basic properties |
|
|---|---|
|
Chemical formula |
Tb3Ga5O12 |
|
Crystal structure |
Cubic Garnet |
|
Lattice constant (Å) |
12.355 |
|
Crystal orientation |
<111> |
|
Density (g/cm3 ) |
7.13 |
|
Mohs' hardness |
8 |
|
Magneto-optic properties |
|
|
Refractive index(nm) |
1.95@1064 |
|
Verdet constant (Rad/m.T)(nm) |
35@1064 |
|
Extinction ratio (dB) |
>35 |
|
Laser damage threshold (W/cm2) |
>1G |
|
Coating (%@1064±30nm) |
AR:R<0.2 |
|
Transmission loss (%/cm) |
<0.1 |
|
Machining quality |
|
|
Orientation accuracy (′) |
±15 |
|
Diameter tolerance (mm) |
+0.00/-0.05 |
|
Length tolerance (mm) |
±0.1 |
|
Flatness(nm) |
<λ/8@633 |
|
Parallelism (″) |
<30 |
|
Verticality (′) |
<10 |
|
Scratch-dig |
10/5 |
|
Chipping (mm) |
<0.1 |
Brochure
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