Optical Communication Flashcards
1
Q
What happens
A
Electronic info is converted to light and transmitted over fibre optic cables based on total internal reflection
2
Q
Advantages
A
Wide bandwidth
Very little attenuation
Light and smaller size
No interference
No crosstalk
3
Q
ADSL
A
Asymetric digital subscriber line
4
Q
TiR definition
A
“When light travels from a denser to a less dense medium”
5
Q
Single mode step index advantages
A
No dispersion
Only one mode can propogate through t the fibre
Preferred for long distance
6
Q
Multi mode step index advantages
A
Used for short distances
Less expensive
7
Q
Graded index fibres
A
Overcome the issues of multi mode with more practical core diameter and can operate over long distances
