What is optical fibre, and what raw materials are needed to make it?


Optical fibres are single hair-thin filaments drawn from fused silica glass. These fibres replace metal wires as the transmission medium in high-speed, high-capacity communication systems that convert information into light, which is then transmitted through fibre optic cables.

An o-pf company in China represents the largest user of fibre optic cable, However, the technology is also used for power lines, local computer networks, and video transmission.

In a fibre optic communication system, optical fibre cables connect datalinks containing lasers and light detectors. To transmit information, a datalink converts analogue electronic signals – phone conversations or video camera output – into pulses of digital laser light. It converts electronic signals – phone conversations or the output of a video camera – into pulses of digital laser light. They travel through the optical fibre to another datalink, where a light detector converts them into electronic signals.

Raw material

Primarily composed of silicon dioxide (SiO 2 ), although minute amounts of other chemicals are often added. Ultrapure silica powder was used in the now-obsolete crucible production process. At the same time, liquid silicon tetrachloride (SiCl 4 ) in a gaseous stream of pure oxygen (02) is the primary source of silicon for the now widely used vapour deposition process. Other compounds, such as germanium tetrachloride (GeCl 4 ) and phosphorus oxychloride (POC1 3 ), can create core fibres and outer claddings or claddings with feature-specific optical. 

The purity and chemical composition of glasses used in optics, i.e.fibres determine the essential property of fibre—the degree of damage—research is now focused on developing glasses with the highest possible purity. High fluoride glasses hold the most promise for improving optical fibre performance because they are transparent Over nearly the entire frequency range of visible light. This makes them particularly valuable for multimode optical fibres, which can transmit hundreds of discrete light wave signals simultaneously.

Manufacturers of China Company of OPF

china fibre optic manufacturers weave glass or plastic into a transparent fibre slightly thicker in diameter than a human hair. Standard optical fibre is manufactured in a two-step process. First, a large diameter “preform” with a carefully controlled refraction profile is created. A low refractive index means that little or no light is lost through the material, ensuring a high refractive index—transmission fidelity. Second, the preform is “stretched” to form long, thin optical fibres. After the fibre is drawn or drawn, it may be coated to increase its refractive index. Many of these companies manufacture materials for other industries. Fibre optics is just one of the many products they make. Most manufacturing is concentrated in China, the fastest-growing telecommunications and economic growth region.

Another thing is that fiber optic cable manufacturers are making better quality optical fiber day by day to keep their power and market. OPF company has come up with a model in China and they are working day by day with the present time. It has over years of experience

Post by Pranta Saha CEO at Tizen



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