Sapphire Optical Lens, Al2O3 Single Crystal Glass, Sapphire Optical Glass Ingots, Sapphire Optical Rods, Sapphire Optical Stick, Al2O3 Single Crystal Glass Lens, Optical Glass Ingots By Sapphire, Sapphire Optical Rods
Sapphire Optical Cylinder Feature
+ allow to be customized by design artwork
+ made by synthetic sapphire (99.999%Al2O3)
+ high-hardness 9 Mohs, outstanding scratch resistance and chemical stability
+ great transmittance, about 80%-90% in the visible light spectrum
(approximately 400-700 nm).
+ widely used for high-end watch faces, camera lenses, optical instruments, medical devices, laser systems, high-precision sensors
About Sapphire
Sapphire is the general name for corundum gemstones other than ruby, and its main component is aluminium oxide (Al2O₃). Sapphire can be pink, yellow, green, white, and even in the same stone. The blue sapphire is due to the presence of a small amount of titanium (Ti) and iron (Fe) impurities.
The biggest feature of sapphire is uneven colour. You can see straight colour bands and growth lines of different depths arranged in parallel hexagonal prisms. Polysynthetic twins are developed, and shutter-type twin patterns are common. Cracks are mostly split along twin planes. Strong dichroism.
*This is the colored sapphire
About Sapphire Optical
Sapphire optical cylinders, with diameters typically ranging from a few millimetres to several centimeters and customizable lengths, are highly valued for their superior optical performance and durability.
These properties make them ideal for use in lenses, windows, sensor covers, and diffuse filters.
Their excellent thermal stability and chemical resistance also make them suitable for high-temperature applications and medical devices, where biocompatibility and sterilization resistance are crucial.
In addition to these uses, sapphire optical cylinders are widely employed in infrared and far-infrared military equipment, including night vision infrared and far-infrared sights, and night vision cameras.
They are also integral to satellite and space technology instruments, high-power laser windows, various optical prisms, optical windows, UV and IR windows and lenses, and observation ports for low-temperature experiments.
The combination of these versatile properties makes sapphire optical cylinders a reliable choice for a broad spectrum of industrial, scientific, and medical applications.
| Chemical formula | Al2O3 |
| Crystal class | Hexagonal system, rhomboidal class 3m |
| Density, g/cm3 | 3.98 |
| Melting point, °K | 2303 |
| Optical transmission range, µm | 0.17 - 5.5 |
| Refractive index at 0.532 µm | n0=1.7717, ne=1.76355 |
| Water absorption | nil |
| Young Modulus, Gpa | 345 |
| Shear Modulus, Gpa | 145 |
| Bulk Modulus, Gpa | 240 |
*The transmission curve of the sapphire cylinder lens
*Also, we accept customized if you have further requirements.
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Sapphire Parts Crystal Optical Cylinder Lens Hardness 9.0 High Light Transmittance Customized Images
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