Sapphire has good transmittance in the spectral range of 200nm~5500nm, and its infrared transmittance hardly changes with temperature. The working temperature can reach 1900 ℃, which allows people to use artificial sapphire windows for operation in high-pressure chambers. Therefore, sapphire crystal materials are commonly used to make various infrared, ultraviolet windows, high-temperature observation windows, flow control, etc.
■ Typical applications
Analyzer, pump, light tube, gasket, insulator, wear application, etc.
■ General size range, limit deviation
| project |
Outer diameter D |
Height H |
Aperture d |
| Size range |
Φ20.00 ~ Φ200.00 |
10.00~ 250.00 |
Φ10.00 ~ Φ180.00 |
| Extreme deviation |
0.004 ~ 0.05 |
/-0.01 |
0.004 ~ 0.06 |
| The surface roughness is level 14, and the surface quality scratches/pits can reach 40/20. | |||
■ Material selection
CZ and KY sapphires.
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