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Uncovering the rapid speed of fibre optic transmission

Uncovering the rapid speed of fibre optic transmission

zhubinyan |

Many people are curious about the rapid speed of fibre optic transmission, so let's reveal it today! It turns out that light travels close to the speed of light in a vacuum, which is about 300,000 kilometres per second. And in an optical fibre, light travels slightly slower, but still very fast.

At the heart of an optical fibre is a very small and pure glass tube with an extremely high refractive index. When light enters the fibre, it is totally reflected many times inside the glass tube and continues to propagate along the walls of the tube. This propagation allows light to travel at very high speeds through the fibre. By using fibre optic transmission, we can achieve high speed internet, high definition video and many other technological applications. In addition to this, fibre optic transmission has the advantage of being resistant to electromagnetic interference and high security. Modern society is increasingly relying on the rapid speed of fibre optic transmission, which brings us unprecedented convenience and possibilities. Let's look forward to more innovations in fibre optic transmission and add to the progress of science and technology!

Do you know how fast fiber optics can travel?

Well, it's almost the same speed as light, 300,000 kilometers per second, while the circumference of the Earth is about 40,000 kilometers. 

In other words, light travels around the Earth seven and a half times a second. The same is true of optical fiber, so how does it do it? According to understanding, in fact, it mainly utilizes a physical phenomenon called total internal reflection, we will be a laser pointer pointed at a small hole irradiation. 

At this time, you can see that the light does not spread out along the straight line, but with the water flow down, after amplification, you can clearly see the path of light propagation, which is typical of the "total reflection" phenomenon. Our fiber optic patch cords are equipped with superior Ultra Physical Contact (UPC) connector technology, which ensures minimal insertion loss and optimal signal transmission performance, providing a stable and reliable connection and reducing the risk of interference and data loss. 

The famous Chinese scientist, Charles Kao, based on this principle, invented optical fiber and successfully got the Nobel Prize in Physics. 

Of course, to know the reason why fiber optics can really transmit super-fast, we also need to understand the internal structure of optical fiber. It consists of a core of glass or plastic and an outer layer called the "cladding". The cladding is doped with chemicals in order to reduce the refractive index, so that when light enters, it is reflected and re-reflected at exactly the same angle, remaining inside the fiber. It's worth noting, though, that with any high-end optical fiber, there are certain defects present that are so small that they can only be observed at the molecular level.

 But even so, it still affects the propagation of light, so in order to ensure that the fiber optic transmission over long distances, we also need to install repeaters or amplifiers, they will be placed in the fiber optic signal is weaker, where the signal is re-strengthened to continue to let the light along the route of the propagation of the optical fiber, so that the optical fiber can also be a real one-second seven and a half laps around the earth.

The Impact of Fibre Optics on Internet Speed

The adoption of fibre optics has revolutionized internet speed and reliability. High-speed internet, powered by fibre optics, is not just about faster browsing. It enables seamless streaming of high-definition video, efficient remote working, real-time gaming, and supports the vast data needs of modern cloud computing services. This lightning-fast speed is particularly crucial in an era where the Internet of Things (IoT) and 5G technology are becoming ubiquitous.

The Future of Fibre Optics

The potential of fibre optic technology extends far beyond its current applications. Researchers are continually developing new ways to enhance the capacity of optical fibres. Innovations like multi-core fibres and advanced modulation techniques promise to multiply the already impressive data transmission capabilities of fibre optics.



The rapid speed of fibre optic transmission is not just a technical marvel; it's a fundamental pillar that supports the digital infrastructure of our modern world. As we continue to innovate and expand the capabilities of this technology, we can expect even faster and more reliable communication systems that will further propel us into an increasingly connected future.