Applied Physics I: Chapter 9: Applied Optics - Fiber Optics
Engineering Applications of Optical Fibres
Engineering Applications: 1. Telecommunication 2. Computer Networks 3. Cable Television 4. Delay lines 5. Optical fibres
ENGINEERING
APPLICATIONS OF OPTICAL FIBRES
1. Telecommunication
(i)
It can be used in the long distance (or) long haul communication.
(ii)
Because of its large bandwidth, large number of channels are handled for
communication. i.e., a fibre optic telephone transmission system can handle
more than thousands of voice channels.
(iii)
It is used for signalling purposes.
2. Computer Networks
The
fibres have the following applications in LAN (Local Area Network).
(i)
Each computer on the network (known as USER) is connected to the rest of the
computers by the optical wiring scheme called as bus topology, which is an application known as a fibre optic back bone.
Hence fibre optics are used to have communications between computers, which
will share the data and programs.
(ii)
It is also used in connecting the computer with printer, workstation etc.,
(Peripherals can be shared)
(iii)
It has applications in land based, Airborne, naval systems
(iv)
In sophisticated multibeam radars, fibre optics play an excellent role in
processing an extremely wide range of signal transmission.
3. Cable Television
Transmission
of TV signals to houses are normally done with copper wires. In future, it may
be replaced with optical fibres. Here the signals (analog form) are modulated
by light and is converted to digital signal for transmission. The multiplexer
is used in transmission end and a demultiplexer is used at the receiving end, so
that the user can select the frequency of the signal which they want to watch
on TV.
4. Delay lines
Fibres
are used as wide band delay lines in microwave signal processing, particularly
in 1 μm wavelength region, without attenuation of the signal.
5. Optical fibres
are used as a sensor in the measurement of pressure, temperature, absence (or)
presence of an object, etc.
6.
It can also be used as a link between a remote sensor and a monitoring station.
Applied Physics I: Chapter 9: Applied Optics - Fiber Optics : Tag: Applied Physics : - Engineering Applications of Optical Fibres
Applied Physics I: Chapter 9: Applied Optics - Fiber Optics
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