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Sapphire, recognized as an extremely durable and unique material, has been widely accepted in numerous industrial applications. Among them, sapphire fiber is emerging as a hotspot product in modern technology and industrial sectors. Sapphire fiber is manufactured from single-crystal sapphire (aluminum oxide Al₂O₃). Owing to its distinct physical and chemical properties, it is regarded as the ideal choice for high-performance fiber optics. Leveraging its impressive high-temperature resistance, chemical stability, and optical characteristics, sapphire fiber offers a efficient and reliable solution for contemporary industrial and medical domains. As technology advances and the pursuit for high-performance materials continues, we can anticipate a broader application spectrum for sapphire fiber in the future.
Sapphire fibres exhibit extraordinary mechanical durability and maintain their shape and strength even at very high temperatures – up to 2000 °C (the melting point is 2053 °C). They are hard but still show some flexibility and can be bent at a radius approximately 200× the filament diameter. The high purity of the single-crystal and a lack of defects lead to very high optical transmission over a broad spectrum of wavelengths.Thanks to the absence of hydroxy groups in single crystal sapphire, which cause energy absorption in silica fiber, the transmittance of bulk sapphire is almost 100% for wavelengths of 0.3–5 µm. The refractive index of sapphire, equal to 1.786 at the sodium D-line, is higher than of many other optical materials. All this makes sapphire the perfect candidate for wave guide applications.
High-Temperature Tolerance: Sapphire fibers can operate stably in environments up to 2000°C, far surpassing the temperature resistance of traditional fibers.
Chemical Stability: Sapphire exhibits excellent corrosion resistance, making it able to withstand most acids, bases, and other chemicals, making it suitable for use in challenging chemical environments.
Mechanical Strength: Complementing its hardness, sapphire fiber demonstrates high resistance to scratching and impact.
Optical Properties: Its high purity and fewer defects ensure that sapphire fiber exhibits excellent transparency in both the visible light and infrared regions.
| Properties of Sapphire Fiber Advantages | |
| Mechanical Durability | Highly mechanically stable, not easy to damage/break |
| Maximum Operating Temperature | Up to 2000°C, far exceeding other types of fibers |
| Refractive Index | 1.786 (at Sodium D-line)higher than many optical materials |
| Optical Transmission | Almost 100% for wavelengths between 0.3-5µm |
| Bending Radius of Fiber Diameter | Approximately 200 times the diameter of the fiber |
| Optical Defects | Fewer defects, ensuring high optical transparency |
| Chemical Stability | Highly corrosion-resistant, suitable for harsh chemical environments |
| Surface Reflection | Transmission losses of only 80-90% due to surface reflection |
| Absence of Hydroxyl Groups | Reduced energy absorption compared to silica fibers |
Q:Why choose Sapphire fiber?
A:The researchers discovered that sapphire possesses some unusual properties that make it valuable for high power lasers in which the light intensity interacts with sound waves in the glass and leads to diminished power-handling capabilities. Sapphire is transparent from UV wavelengths to Infrared. It is 5 times stronger than ordinary glass, and much tougher than tempered glass.
Sapphire is combined with composites to fabricate shatter resistant windows used in armored vehicles and various military body armor suits. Some xenon arc lamps employ sapphire windows to tolerate higher thermal loads and thus higher output powers.
Q: What is Sapphire fiber?
A: Sapphire fiber is a high quality optical fiber fiber produced by ZMSH, with model number Sapphire fiber and place of origin PRC.
Q: What are the applications of Sapphire fiber?
A: Sapphire fiber is mainly used in optical communication systems, optical sensors, and optoelectronic devices.
Q: What are the advantages of Sapphire fiber?
A: Sapphire fiber has high mechanical strength, high thermal stability, low thermal expansion coefficient, excellent optical characteristics, and low polarization loss.
Q: What is the size of Sapphire fiber?
A: Sapphire fiber can be customized according to customer requirements.
Q: What is the material of Sapphire fiber?
A: Sapphire fiber is made of high purity sapphire crystal and other high-tech materials.
