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Sapphire Windows

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Sapphire Windows

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Sapphire
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Product description
Parameters

Because the high quality artificial sapphire crystal material has good light transmittance in the range of 0.20 ~ 5.50μm, the infrared transmittance is almost no change with temperature, and the transmittance of ultraviolet and visible light is also high, so it is often used instead of other optical materials Optical components, through the infrared optical window, and is widely used in infrared and far infrared military equipment, such as: used in night vision infrared and far infrared sight, night vision cameras and other equipment and satellite, space technology instrumentation As well as windows for high power lasers, various optical prisms, optical windows, UV and IR windows and lenses, low temperature experimental observation port, in the maritime aviation with high precision instruments and other aspects of the full application.

 

 Physical Properties

Density

3.98 G/Cm³

Hardness,Mohs

9

Dielectric Constant For 9.37×109Hz

~9.4@300k at A axis

~11.58@ 300K at C axis

Melting Point,℃

2040

Thermal Conductivity,W/M-Kat 313K 

45

Thermal Expansion,1/Kat 293K

10-6.℃-1 8.8

Specific Heat Capacity,J(Kg·℃)

0.782

Crystal Class 

Hexagonal System

Knoop Hardness,Kg/M㎡ 

2000

Young'S Modulus,Gpa 

380

Shear Modulus,Gpa 

145

Bulk Modulus,Gpa 

240

a=4.785,c=12.991

Poisson'S Ratio 

0.27-0.29

 

 Chemical Properties

Solubility In Water 

None

Molecular Weight 

102

 

 

We could not find any corresponding parameters, please add them to the properties table
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 Luoyang Dingming Optical Technology Co.,Ltd.

Address:Hangong Road, Xigong Industrial Park, 
                   Xigong District, Luoyang HeNan,China

Email:lydm@dm-optical.com

Tel:+86-379-62110001

Fax:+86-379-62112223

 

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