Low Optical Losses 7.09g/cm³ Liquid Epitaxy Film SGGG Gd₃Ga₅O₁₂ Substrate - 4 Inch Diameter, <0.1%/cm Loss
Substituted Gadolinium Gallium Garnet (SGGG) crystal substrates optimized for liquid epitaxy applications with density of 7.09 g/cm³, delivering exceptional performance in magneto-optical devices.
SGGG (Gd₃Ga₅O₁₂) substrates are specifically engineered for liquid epitaxy processes, serving as ideal foundations for magneto-optical films used in optical communication systems.
- Available orientations: <111> and <100>
- High thermal conductivity: 7.4 W·m⁻¹·K⁻¹
- Low optical losses: <0.1%/cm
- High damage threshold: >1 GW/cm²
- Large diameter capability: up to 4 inches
| Parameter | Specification |
|---|---|
| Orientation | [111] within ±15 arc min |
| Wave Front Distortion | <1/4 wave @632 nm |
| Diameter Tolerance | ±0.05 mm |
| Length Tolerance | ±0.05 mm |
| Chamfer | 0.10 mm @45° |
| Flatness | <1/10 wave at 633 nm |
| Parallelism | <30 arc seconds |
| Perpendicularity | <15 arc min |
| Surface Quality | 10/5 Scratch/Dig |
| Clear Aperture | >90% |
| Maximum Dimensions | Diameter up to 4 inches |
SGGG substrates provide optimal lattice matching for YIG and BIG magneto-optical films, ensuring successful epitaxial growth for 1.3μm and 1.5μm optical isolators in communication devices, aerospace systems, automotive sensors, and medical equipment.
Anhui Crystro Crystal Materials Co., Ltd. specializes in advanced crystal material research, development, and manufacturing, delivering high-tech solutions for communications, aerospace, automotive, and medical industries.
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