Sapphire Tube Unpolished Small Size Al2O3 Glass Tube

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Synthetic Sapphire is a single crystal form of corundum, Al2O3, also known as alpha-alumina, and single crystal Al2O3,have 9.0 hardness.
Sapphire is aluminium oxide in the purest form with no porosity or grain boundaries, making it theoretically dense.
The combination of favourable chemical, electrical, mechanical,optical, surface, thermal, and durability properties make sapphire a preferred material for high performance system and component designs. For various semiconductor applications,
sapphire is the best choice in comparison with other synthetic single-crystals.

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The following are the characteristics of sapphire tube

1.Hardness and durability: Just like other sapphire components, sapphire tubes are extremely hard and resistant to scratching, abrasion and wear.

2.Optical clarity: Sapphire tubes can be optically transparent and can be used for inspection, visual processes, or light transmission through the tube.

3.Operating temperature: 1950°C.

4.High temperature resistance: Sapphire tubes retain their strength and transparency even under high temperature conditions, making them suitable for processes involving high temperatures.

5.Thermal shock resistance: Unlike some materials, sapphire tubes can withstand rapid temperature changes without cracking.

Sapphire tube has several applications

1. Optical fiber communication: as an optical fiber interface and optical coupling element.

2. Laser device: used for optical transmission of lasers.

3. Optical detection: optical window as an optical detector.

4. Optoelectronic integration: Build optical guided wave channel of photoelectric integrated circuit.

5. Optical imaging: Used in display equipment, camera and other optical systems.
Sapphire is slightly birefringent. The high-hardness sapphire crystal has a refractive index of 1.75 and grows to a random orientation, so the universal infrared window is usually cut in a random manner. For specific applications with birefringence problems, the selection directions are: C-plane, A-plane and R-plane.

Our factory has advanced production equipment and technical team, which can customize various specifications, thicknesses and shapes of sapphire tube according to customers' specific requirements.