Gallium Gadolinium Garnet (GGG)
Crystal properties | ||
Crystal growth method | Czochralski | |
Crystal growth orientation | (100), (111) | |
Maximum size | 3 inch diameter | |
Variations | Dopands on request | |
Crystallographic properties | ||
Crystallographic structure | Cubic a = 12.383 Å a = 12.505 Å SGGG |
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Mineralogical | Garnet | |
Twinning structure | Perfect | |
Colour | Colourless / Brownish SGGG | |
Physical properties | ||
Density | 7.09 g/cm3 | |
Melting point | 1730 °C | |
Hardness | 7.5 (Mohs) | |
Dielectric constant | 30 | |
Dielectric loss tangent (10 GHz) | ca. 3.0 * 10_4 | |
Optical properties | ||
Transmission range | 0.3 to 7.0 mm | |
Refraction index: | nd = 1.9708 at 577 nm | |
ne 1.9567 | ||
nc 1.9577 at 625nm | ||
ne 1.9567 | ||
nc 1.9500 at 2000nm | ||
ne 1.9567 | ||
nc 1.9454 at 5000nm | ||
X-ray properties | ||
Orientation: (100), (111) | ||
Doped: |
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