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| Categories | Single Crystal Substrates |
|---|---|
| Brand Name: | Crystro |
| Model Number: | CR20200303 |
| Certification: | SGS/ISO9001 |
| Place of Origin: | China |
| MOQ: | 1pc |
| Payment Terms: | T/T, Western Union, MoneyGram, Paypal |
| Supply Ability: | 5000pcs per month |
| Delivery Time: | 4-5weeks |
| Packaging Details: | Transparent clean box |
| Material: | SGGG |
| Dia: | up to 3'' |
| Length: | up to 3'' |
| S/D: | 10/5 |
| Flatness: | <1/10 wave at 633nm |
| name: | Subsituted Gadolinium Gallium Garnet SGGG |
| Orientation: | <100><111> |
| Chemical Formular: | Substituted GGG |
| Company Info. |
| ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Subsituted Gadolinium Gallium Garnet SGGG Optical Substrate
Gadolinium gallium garnet(GGG) is a special substrate magneto optical flims. In optical commuication equipment, a large number of 1.3 and 1.5 micron optical isolators are needed, and the core component is YIG or BIG film placed in the magnetic field. Different tangential GGG single crystal substrates can be matched with the lattice of such magneto-optical materials, thus ensuring the successful epitaxial growth of YIG and BIG films. The good physical, mechanical and chemical stability of GGG also ensures the requirements of the substrate in the process of film perparation. The substrate material is made of microwave isolator GGG.
Main Properties:
| 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 | ||
| 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 | ||
CRYSTRO supply GGG crystal with:
| Orientation | <111> <100> within ±15 arc min |
| Wave Front Distortion | <1/4 wave@632 |
| Diameter Tolerance | ±0.05mm |
| Length Tolerance | ±0.2mm |
| Chamfer | 0.10mm@45º |
| Flatness | <1/10 wave at 633nm |
| Parallelism | < 30 arc Seconds |
| Perpendicularity | < 15 arc min |
| Surface Quality | 10/5 Scratch/Dig |
| Clear Apereture | >90% |
| Large Dimensions of Crystals | 2.8-76 mm in diameter |
Application:
SGGG is used as substrates for liquid epitaxy.It's dedicated substrates for magneto-optical film.
|
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