Title: Telecommunication
1Industrial Applications of Fiber Optics
- Telecommunication
- Aerospace
Service providers
End users
Access providers
2Applications in Telecommunication
- Fiber optic communication systems
- Fiber optic sources
- Fiber optic cables
- Fiber optic photo detectors
3Applications in Telecommunication
- Fiber optic communication systems
- Basic fiber optic communication system
4Applications in Telecommunication
- Time- Division Multiplexing (electrical)
- Wavelength- Division Multiplexing (optical)
5Applications in Telecommunication
- Time- Division Multiplexing (electrical)
MUX Time- Division Multiplexer DEMUX Time-
Division Demultiplexer
6Applications in Telecommunication
- Wavelength- Division Multiplexing (optical)
EDFA Erbium- Doped Fiber Amplifier WDM
Wavelength- Division Multiplexer
7Applications in Telecommunication
- North American Digital Telephone Hierarchy
MUX Time- Division Multiplexer
8Applications in Telecommunication
- North American SONET telephone Hierarchy
SONET Synchronous Optical Network
9Applications in Telecommunication
- WDM ITU Grid
- Transmission windows
ITU International Telecommunication Union
10Applications in Telecommunication
8 LASER wavelengths
wavelength
11Applications in Telecommunication
- Fiber optic sources
- LED versus LASER diode
spontaneous light source
coherent light source
12Applications in Telecommunication
- Fiber optic sources
- LED LASER power
13Applications in Telecommunication
- Fiber optic sources
- Direct versus external modulation
14Applications in Telecommunication
- Fiber optic indoor cables
- Simplex cable contains a single fiber for
one-way communication - Duplex cable contains two fiber for two-way
communication - Breakout cable has several simplex cable inside
an outer jacket, which includes a zipcord to
allow easy access
15Applications in Telecommunication
- Fiber optic outdoor cables
- Direct indirect burial placed in trenches or
in conduits - Powerline aerial ground wire
- Submarine underwater, placed in sewer tube
16Applications in Telecommunication
- Fiber optic photo detectors
- Photo detector spectral response
Si Silicon InGaAsP Indium-Gallium-Arsenide-Phosp
hor Ge Germanium InGaAs Indium-Gallium-Arsenide
17Applications in Telecommunication
- Fiber optic photo detectors
- Typical photo detector amplifier circuit
Electrical signal through coaxial cable
Optical signal through fiber optic cable
18Applications in Telecommunication
- Fiber optic photo detectors
- Photo detector characteristics
PN Type
PIN Type
19Industrial Applications of Fibre Optics
- Fiber Optic Technology in Telecom-munications has
opened the market for many other applications as
- Defence
- Aerospace
- Tactical access link
- Radar / fire control systems
- Fly- by- light Flight control
- Fly- by- light Engine control
- Fly- by- light Flight system
20Applications in Defence
- Tactical access links
- Radar / fire control systems
21Applications in Defence
Communication with short range RADAR link
connected with up to 4 km hybrid cable (copper
fiber) link.
22Applications in Defence
- Radar / fire control systems
Fiber optic Joint- Force- Integrator
Fiber optic cable on hand reel
Fiber Optic Line Termination Unit
23Applications in Defence
- Tactical fiber optic cable
Leopard tank 55-tons
24Applications in Aerospace
Fly-by-wire Flight control system with
electrical signalling, without mechanical
interconnection between cockpit flying controls
and control surfaces.
Boeing 747
Saab Gripen
25Applications in Aerospace
- Fly by Wire
- Flight control with DIGITAL FLY-BY-WIRE
Vought F-8
26Applications in Aerospace
Fly-by-light Flight control system in which
signals pass between computers and actuators
along fibre optic systems.
27Applications in Aerospace
- Fly by Light
- Flight control
- Engine control
28Applications in Aerospace
- Fly by Light
- Flight control
Different sensors in the plane (optical,
electrical fiber) send data over fiber to a
flight control system.
29Applications in Aerospace
- Fly by Light
- Engine control
Different sensors at the jet engine (optical,
electrical fiber) send data over fiber to an
engine control system.
30Applications in Aerospace
- Fly by Light
- Flight system
Different units of the plane (advanced mission
computer, electronic control unit, power drive
unit, ) are linked together by a fiber optic
flight system.