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Signal Degradation In Optical Fiber
Losses in an optical fibre:-
The types of losses in a optical fibre are
Attenuation loss
Absorption
Scattering
Bending loss
Dispersion loss
Coupling loss
Signal Degradation In Optical Fiber
Losses in an optical fibre:-
The types of losses in a optical fibre are
Attenuation loss
Absorption
Scattering
Bending loss
Dispersion loss
Coupling loss
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Foc ppt
1. C B KORE POLYTECHNIC CHIKODI
Topic : FIBER OPTIC COMMUNICATION
BY: SHARVANI MUSANDI
VI sem EC
VANDANA DESAI
VI sem EC
2. BRIEF FLOW OF THE PRESENTATION
1. Introduction
2. Construction of optical fiber
3. Working principle
4. Fiber optic configuration
5. Working of optical fiber
6. Advantages of Optical fiber
7. Application of fiber optics
8. Reference
3. OPTICAL FIBER
CAUSES FOR THE CREATION OF THE OPTICAL FIBER-----
Man’s HUNGER
Lastly optical fiber’s were invented to satisfy the Man’s hunger
for communication
5. TOTAL INTERNAL REFLECTION
When light travelling in an optically
dense medium hits a boundary at an angle
larger than the "critical angle" for the
media, the light will be completely
reflected. This is called total internal
reflection.
Fiber optic cables use total internal
reflection inside the optical fiber.
8. STEP INDEX FIBER
The refractive index of core is constant
The refractive index of cladding is constant
The refractive index of cladding is slightly
lower than that of core
9. GRADED INDEX FIBER
Refractive index of core decreases smoothly
from the centre to the outer edge
Refractive index of cladding is constant
12. ADVANTAGES
Much higher bandwidth
Thousands of channels can be multiplexed together over one strand of fiber
Less expensive
Higher carrying capacity
Less signal degradation
Light signals
Digital signals
Safety
Non-flammable
Lightweight
Flexible
13. ADVANTAGES
The optical fiber has
following advantages over
twisted -pair and coaxial
cable.
• Resistance to noise
• Huge bandwidth
• Higher signal carrying
capacity
14. APPLICATIONS
• Medical
• Military
• Electronics
IBM microprocessors