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Optical Fiber Communication

6/7/15  |  Technical Article

Optical fiber communication: it refers to the light as an information carrier, optical fiber as the transmission medium of communication. It is first of all to the telephone, telegraph, and other image and data signals to be transmitted to the transmission side photoelectric conversion of electrical signals into optical signals coming, then the optical fiber transmission to the receiver, the receiver will receive the optical signal into an electrical signal Finally, the reduction into an electrical signal.

Compared with electrical cables or microwave communication, the advantages of optical fiber communication as follows:

  • Extremely wide transmission band, large capacity communication;
  • Since the optical fiber attenuation, can achieve one thousand kilometers without relay;
  • Low crosstalk, high signal transmission quality;
  • Fiber resistance to electromagnetic interference, security and good;
  • Small fiber size, light weight, easy to transport and laying;
  • Chemical resistant;
  • Quartz glass fiber drawing forming, rich source of raw materials, and save a lot of non-ferrous metals.
  • Optical fiber communication also has the following disadvantages:

  • Fiber bend radius should not be too small;
  • Cutting and connecting operation of complex technical fiber;
  • Shunt, coupled trouble.
  •  optical fiber, communication

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