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How Do You Join Fibre Optic Cables?

Published in Fiber Splicing 2 mins read

You can join fibre optic cables using a method called fusion splicing, which involves melting the ends of the cables together to create a durable and efficient connection.

Fusion Splicing Explained

Fusion splicing is the preferred method when you need a strong, low-loss connection for fibre optic cables. Here's how it works:

  • Preparation: The ends of the fibre optic cables are carefully stripped of their protective coating and precisely cleaved to create smooth, flat surfaces.
  • Alignment: The cleaved fibres are then aligned with each other using a fusion splicing machine. These machines use microscopic cameras and precise motors to ensure perfect alignment.
  • Fusion: Once aligned, an electric arc is generated between electrodes, which melts the glass fibres. The ends fuse together to create a continuous connection.
  • Protection: Finally, the fused joint is protected with a special sleeve to reinforce and shield it from damage.

Advantages of Fusion Splicing

Feature Description
Durability Creates a stronger, more robust connection compared to other methods.
Low Loss Minimizes signal loss to as low as 0.02 dB, ensuring optimal data transmission.
Performance Offers superior performance in terms of signal integrity and reliability.
Long-Term Use Provides a long-lasting connection that is ideal for permanent installations.
Professional Use Typically the method of choice for technicians due to its superior results.

Why Fusion Splicing is Preferred

While other methods for joining fibre optic cables exist, fusion splicing is preferred due to its performance benefits:

  • Reduced Signal Loss: Unlike mechanical splicing, fusion splicing minimizes signal loss, which is crucial for long-distance transmissions and high-speed data transfers.
  • Increased Reliability: The fused joint provides a more reliable connection, reducing the risk of future failures and downtime.
  • Permanent Connection: Fusion splicing creates a permanent connection, making it suitable for infrastructure and large-scale installations.

In summary, when aiming for a high-quality connection with minimal signal loss, fusion splicing is the most effective method for joining fibre optic cables.

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