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  • Name: Sapphire Dome
  • date: 2017-09-22
  • MOQ: 0.0
  • Views : 84
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Sapphire (Al2O3) Single Crystal

Domes & Hyper Hemispheres

 

Single crystal sapphire Al2O3 has an unique combination of excellent optical, physical and chemical properties:

- Transmission band > 85% (0,17-5,5 μm)

- Melting point 2050 °C

- Mohs hardness 9

- Density 3,98 g/cm²

- Ref. index 1,75 at 0,588 μm

 

 

Specification of polished sapphire domes and hyper hemispheres

Parameter

Value

Domes Diameter(mm)

Ø < 100

100 ≤ ø ≤ 300

Diameter tolerance(mm)

± 0,1

± 0,2

Domes Radius of curvature R (mm)

3 ≤ R ≤ 150

Radius Tolerance(mm)

± 0,05

± 0,1

Domes Height (mm)

h ≤ 1,4 R

Height Tolerance(mm)

± 0,1

± 0,2

Tolerance Wall Thickness(mm)

≥ 2

≤ 15

The Surface Roughness Ra, μm

60-40

80-50

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Address:
Changchun Worldhawk
Optoelectronics Co.,Ltd
No.189,Chang-Ji Nan Road.
Changchun,China 130022
Tel:+86 431 89825768
Email:Sales@worldhawk.com
Website:www.worldhawk.com

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