What is the center part of the optical fiber that carries the light signals called?

The center part of the optical fiber that carries the light signals is called the core. It is a crucial component of the fiber optic cable, as it is designed to transmit light signals from one end to the other. The core is typically made of glass or plastic, and its diameter can vary depending on the type of optical fiber being used.

The core works in conjunction with the cladding, which surrounds it and reflects light back into the core to prevent signal loss, allowing for the efficient transmission of data over long distances. The refractive index difference between the core and the cladding is what enables the light to be guided through the fiber. This property is fundamental to the functioning of fiber optic communications, as it ensures that the light remains contained within the core while traveling down the fiber, even when the cable is bent or twisted.

While options like cladding, sheath, and buffer are also parts of the optical fiber assembly, they serve different purposes. The cladding's main role is to keep the light confined in the core, while the sheath provides physical protection to the fiber and the buffer helps to cushion and protect the core and cladding during installation and use. Understanding the core's function is essential for anyone working with fiber optic technology, as it