Fiber Optic Transmission,
namely to optical fiber being a medium for data and signal
transmission. Optical fiber, not only will be used to transmit analog
signals and digital signals, and may meet the requirements of video
transmission. Optical fiber transmission, generally use optical fiber
cable of single optical fibre bandwith rate can reach several Gbps,
regarding does not use Repeaters, transmission distance can up to few
many kilometers.
Transmitting signals as pulses of light via a
thinner than human hair strand of glass or plastic at data carrying
capacity (bandwidth) far greater than possible with every other physical
medium. Under the AT&T's SONET standard data speeds that could
reach over 2.5 Gbps are common, whereas the maximum limit to get a
copper cable (without compression) is 16 Mbps. The attainable limit of
fiber optic transmission is 2 trillion bits per second, enough to handle
amount of data handled by all US telecommunication companies assembled.
Fiber-optic uses less energy, is immune to static (electromagnetic
interference), and is almost entirely secure from tempering or wire
tapping.
Development and Application
Optical
fiber communication technology applications keeps growing fast, since
1977 considering that the first commercial installing fiber optic
system, telephone companies start using optical fiber link, replacing
the existing system of copper wire. Today lots of the telephone company,
in their system comprehensively USES optical fiber since the main
structure so when a city of cross country outcomes of the phone system.
Providers have begun to use/copper fiber axis hybrid circuit experiment.
Enable the hybrid lines in neuro-scientific integration between optical
fiber and coaxial cable, this is known as the positioning of the node,
the offer will be the light from the light pulse is converted to
electrical signal receiver, and then signal is transmitted by way of a
coaxial cable to each family. As an appropriate method of communication
signal transmission, optical fiber steadily instead of copper wire is
obvious, the fiber optic cable across long distances between local phone
systems in addition to many network system to supply the key line
connection.
Optical fiber is a type of with glass since the
waveguide, by means of light to transfer information in one end to the
other side of the technology. Today's low loss optical fiber in
accordance with early progression of transmission medium, almost without
being tied to the bandwidth and has an original advantage,
point-to-point optical transmission system consists of three basic
parts: produce optical transmitter, optical signal to carry light signal
cable and optical receiver receive light signals.
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Source:Development and Application Of Fiber Optic Transmission
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