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9 Mohs Unpolished Optical Sapphire High Optical Sapphire Crystal Cup With Hole

Categories Unpolished Optical Sapphire
Brand Name: jingjing
Place of Origin: China
MOQ: 10 pcs
Payment Terms: T/T,Western Union,
Supply Ability: 100000 pcs/
Delivery Time: 1-4 weeks
Certification: ISO9001
Product Name: Optical Sapphire cup
Material: Optical Sapphire
Purity: 99.999%
Orientation: C-axis
Hardness Mohs: 9
Density: 3.98g/cm³
Diameter: 0.1-300mm
Diameter tolerance: ±0.03mm
Length: 0.1-300mm
Length tolerance: ±0.03mm
Surface: Fine grind
Roughness: 1.0μm
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9 Mohs Unpolished Optical Sapphire High Optical Sapphire Crystal Cup With Hole

Customized Size High Precision High Optical Sapphire crystal Cup with Hole

Sapphire Materials

Sapphire is grown using various different methods, each with its advantages. By offering Sapphire grown by Stepanov, Czochralski, Kryopolus and HDSM methods, Roditi ensure that the specification is met with the best production time and cost in mind.


Boules, Ingots and Blanks

Unprocessed, single crystal Sapphire takes the form of a boule before being cut and polished into the required forms.


The boule is a large, cylindrical-like piece of Sapphire with no ground, polished or flat faces and offers any crystallographic orientation of components, such as c, m, r and a-cut. Because of Sapphire's tremendous hardness, the cutting and processing is done with diamond tools.


Boules such as this are processed into blanks and ingots ready for further processing and polishing. Such blanks and ingots are uniformly shaped, usually as cylinders, and have ground surfaces.



Properties of Single Crystal Sapphire:

Chemical formulaAl₂O₃
Purity99.999%
Crystal structureHexagonal
Density3.98g/cm³
Hardness Mohs9
Fusion point2045℃
Boiling point2980℃
Coefficient of Thermal Expansion5.8x10 -6/K
Specific heat0.418W.s/g/k
Thermal conduction25.12W/m/k(@100°C)
Refractive indexno=1.768 ne=1.760
dn/dt13×10-6/K(@633nm)
TransmissionT≈80%(0.3-5μm)
Permittivity11.5(//c), 9.3(⊥c)



Sapphire Optical glass blanks

Jingjing Technology (Hubei) Co., Ltd can supply high quality fine grinding sapphire optical glass blanks.

We can cut the material into the shape as requirements, such as square shape, round shape, spherical shape and so on.

If have any query, please contact with us.


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