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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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Subsituted Gadolinium Gallium Garnet SGGG Optical Substrate

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Subsituted Gadolinium Gallium Garnet SGGG Optical Substrate

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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

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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.


Product Tags:

lanthanum aluminate

      

single crystal elements

      

SGGG Optical Substrate

      
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