Working Principle Fiber Optics
With the principle of changing the data or the information in the form of light in the transmitter and then send it via fiber optic cable is made of glass so that the light transmitted can bounce dab in biaskan to get to the receiver so that then the information in the form of the light can be translated.
Basically the glass fibers in the fiber optic cable has ukran very small and delicate even smaller than a strand of hair because of this cable has a diameter of approximately 120 micrometer, and for the light sources used to send information typically uses light rays LED or Laser , The development of data transmission using fiber optic cable currently able to produce attenuation (attenuation) of less than 20 decibels (dB) / km. By having a track width or wider bandwidth then it chalky fiber optic cable capable of sending information more and faster than the use of copper cables in general. Thus the optical fiber is suitable for use in a telecommunications network system application.
Although the properties of glass are generally capable of reflecting light, but still tedapat menyerapan light in it, therefore the efficiency of the optical fiber depends on the glass material used, the more pure glass used will be less light is absorbed by the glass.

Advantages of Fiber Optics
1.Having wide jalau or a wide bandwidth so as to transmit information even though has a large data capacity very quickly up to gigabit per second
2.Being able to cast long distances without repetition or reinforcement signals pass
3.Cheaper installation costs and higher security tigka
4.The use of space-saving because it has a small size and lightweight
5.Not affected by the interference of electromagnetic waves and radio waves
6.Do not require conductive so as to avoid the possibility of sparks
7.Could not rusty

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