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ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd.
ANHUI CRYSTRO CRYSTAL MATERIALS CO., LTD. INNOVATOR FOR MAGNETO OPTICAL CRYSTALS
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4inch Diameter 1mm SGGG Wafer Substituted Gadolinium Gallium Garnet

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4inch Diameter 1mm SGGG Wafer Substituted Gadolinium Gallium Garnet

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Brand Name : Crystro

Model Number : CR210127-03

Certification : SGS/ROHS

Place of Origin : Anhui, 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 : 4inch diameter 1mm thick GSGG Wafer

Flatness : <1/10 wave at 633nm

Crystal growth method : Czochralski

Maximum size : 4 inch diameter

Density : 7.09g/cm3

After-sales Service : Video technical support, Online support

Test Report : Provided

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4inch diameter 1mm thick GSGG Wafer

Substituted Gadolinium Gallium Garnet (SGGG) is used as substrates for liquid epitaxy. The lattice parameter of our crystals is well controlled and the surface polish finishing is of the highest quality, allowing a perfect epitaxy.

It‘’s 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 SGGG also ensures the requirements of the substrate in the process of film perparation. The substrate material is made of microwave isolator SGGG.

Product Name: SGGG single crystal substrate
Technical parameters: Chemical Formular Substituted GGG
Lattice Formular 12.497A
Growth Method Czochralski
Mohs Hardness 7.5
Melting Point 1730° C
Purity > 99.99%
Density 7.09g/cm3
Surface roughness Optically polished side up <100A
Polish single or double side polish
Orientation <111>+0.2°
Refractive Index 1.954 at 1064nm
Specifications: <100>, <110>, <111> Tolerance: + / -2 degrees
10x10x1.0mm; 20x20x1.0mm;3" diameter x 0.5mm;4" diameter x 0.5mm...
Can be customized orientation and size.
Standard Packaging: 1000 clean room, 100 clean bag or single box packaging
Storage Instructions: Since the metal is easily oxidized, please vacuum storage, use within one month.
Our Advantages:
Direct Factory
Full set of machines from cutting to coating to inspection
Professional R&D team with more tha 20 years experiences
SGS certificated company
Strict quality control and after sales system
Enough capacity and Flexible production for customers' requirments

Application:

SGGG is used as substrates for liquid epitaxy.It's dedicated substrates for magneto-optical film.

Compare GGG with SGGG:

Material GGG SGGG
Chemical Formular Gd3Ga5O12 Substituted GGG
Lattice Constant 12.383A 12.497A
Growth Method Czochralski Czochralski
Density 7.13g/cm3 7.09g/cm3
Mohs Hardness 8 7.5
Melting Point 1725℃ 1730℃
Refractive Index 1.954 at 1064nm 1.954 at 1064nm

4inch Diameter 1mm SGGG Wafer Substituted Gadolinium Gallium Garnet


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