18-12-2012, 06:32 PM
The Physical Layer
The Physical Layer.ppt (Size: 358 KB / Downloads: 24)
Fiber Optics
(a) Three examples of a light ray from inside a silica fiber impinging on the air/silica boundary at different angles.
(b) Light trapped by total internal reflection.
Wireless Transmission
The Electromagnetic Spectrum
Radio Transmission
Microwave Transmission
Infrared and Millimeter Waves
Lightwave Transmission