What is the difference between optical fiber and optical cable

Difference between optical fiber and optical fiber concept:

Optical fiber, as people say, is a glass tube made of pure quartz by technology, which is thinner than hair and has several mediums in the middle. Its texture is fragile, so it needs an extra layer of protection.

The optical cable is mainly composed of optical fiber, plastic protective sleeve and plastic sheath. The external protection structure prevents the surrounding environment from damaging the fiber.

Fiber optic cable includes fiber optic cable, which is a part of fiber optic cable. Optical fiber is the glass fiber in optical cable, but the two abbreviations are often not strictly distinguished in engineering application.

Differences between optical cable and optical fiber structure:

There are two types of optical fiber search, one is gradient optical fiber, the other is step optical fiber. The former has a gradual index, while the latter has a sudden index. In recent years, new photonic crystal fibers appear. Optical fiber is a dual structure, the important part is high refractive index glass, the surface part is low refractive index glass or plastic, light is transmitted in the important part, and continuous total reflection at the surface boundary, along the "zigzag" forward propagation. This kind of fiber is thinner than human hair, so it has a dual structure and different refractive index, which is an amazing technology.

The optical cable is mainly composed of optical fiber (hair as thin as glass), plastic protective sleeve and plastic sheath. The optical cable does not contain gold, silver, copper, aluminum and other metals, and generally has no recycling value. Optical cable is a number of optical fibers to form the cable core in a way, which is covered with a sheath, and some are covered with an outer sheath, so as to realize the optical signal transmission of communication lines.