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Fibre optic cable, often simply referred to as "fibre optics" or "optical fibre," is a technology that uses thin strands of glass or plastic to transmit data, including text, sound, and images, in the form of light pulses. Fibre optic cables are widely used for high-speed internet connections, telecommunications, and networking. Here are some key characteristics and benefits of fibre optic cables:

- **Speed and Bandwidth:** Fibre optic cables can transmit data at extremely high speeds, making them ideal for high-bandwidth applications such as Internet, video streaming, and telecommunication. They can transmit data over long distances without significant signal degradation.
- **Low Latency:** Fibre optics have very low latency, which is crucial for applications that require real-time data transmission, such as online gaming and video conferencing.
- **Immunity to Electromagnetic Interference:** Unlike traditional copper cables, fibre optics are not susceptible to electromagnetic interference (EMI) or radio frequency interference (RFI). This makes them more reliable in environments where there is a lot of electrical noise.
- **Security:** Fibre optic cables are difficult to tap into because they do not radiate electromagnetic signals. This makes them a more secure option for transmitting sensitive data.
- **Long Distances:** Fibre optic cables can transmit data over very long distances without the need for signal repeaters, which are often required for copper cables. This is particularly advantageous for undersea cables and long-distance communication networks.
- **Lightweight and Space-Efficient:** Fibre optic cables are smaller and lighter than traditional copper cables, making them easier to install and manage. They are also less bulky and do not suffer from issues like crosstalk or signal degradation over distance.
- **Durability:** Fibre optic cables are highly durable and can withstand harsh environmental conditions. They are not susceptible to rust or corrosion.
- **Multiple Applications:** Fibre optic technology is used in a variety of applications, including internet connections, telephone networks, cable television, data centres, medical equipment, and military communications.

### **What are the Types of Fibre Optic Cable?**
- Single-Mode Fibre (SMF): Single-mode fibre is used for long-distance, high-bandwidth applications. It has a smaller core and transmits data using a single mode of light, resulting in less signal dispersion over long distances.
- Multi-Mode Fibre (MMF): Multi-mode fibre is typically used for shorter-distance applications, such as local area networks (LANs) and data centre connections. It has a larger core and can transmit multiple modes of light simultaneously.

Find out more in our Fibre Optic Cables guide:[https://uk.rs-online.com/web/content/discovery/ideas-and-advice/fibre-optic-cables-guide](https://uk.rs-online.com/web/content/discovery/ideas-and-advice/fibre-optic-cables-guide)



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