What does a fiber optic cable look like?

A fiber optic cable typically consists of a thin glass or plastic core surrounded by a cladding layer, both encased in a protective outer jacket. The core is where light signals travel, while the cladding reflects light back into the core to maintain signal integrity. The entire assembly is usually cylindrical and can vary in diameter, often resembling a standard electrical cable but with a more delicate and flexible structure. Some fiber optic cables may also have additional layers for insulation or environmental protection.