For many combinations of power and distance, optical fibre is much lighter than any practical electrical cable. A TOSLINK optical fiber cable with a clear jacket. These cables are used mainly for digital audio connections between devices. A fiber-optic cable, also known as an optical-fiber cable, is an assembly similar to an electrical cable but containing one or more optical fibers that are used to carry. In case you do not know yet, an optical fibre is a flexible and transparent fibre made of extruded glass (silica) or plastic, slightly thicker than a human hair and able to transmit light between the two ends. It is much faster than copper cable, carries much higher bandwidth, has less interference and is lighter, stronger and more durable as well. Considering this situation, let's take a closer look at the.