An optical fiber is a thin, soft medium for transmitting light beams.
The optical fiber cable consists of a bundle of fibres, referred to as optical cables. Optical fiber is the core of the optical cable, optical fiber through some components of the protection of the protective layer is composed of optical cable.
Optical fiber is usually made of quartz glass, its cross-sectional area is very small double concentric cylinder, also known as fiber core, it is fragile texture, easy to crack.
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