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Introduction to underwater optical communication ,[object Object],[object Object],[object Object]
Genenal underwater optical communication  Radio Blue light [receiver] [transmitter] video and data accompanying vehicle control
“Acoustic networks, navigation and sensing  for multiple autonomous underwater robotic
1.5eV 3eV 2.5eV 2eV 800nm 300nm 3.5eV 4eV
[object Object],[object Object]
Optical fiber  network Optical fiber  network Optical fiber  network Optical fiber  network fso link fso link fso link
[object Object],[object Object],[object Object]
[object Object]
[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object]
[object Object]
[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
Amount of Bandwidth available in an acoustical link with respect to link distance Distance Bandwidth 1000 km < 1 kHz 10-100 km ~2-5 kHz 1-10 Km 10 kHz < 100 m 100 kHz
[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Conventional packaged LED LumiLED’s package Superflux LED
[object Object],[object Object],[object Object]
Circuit Diagram of FM 2-way voice LED link
Circuit block diagram of FM optical wireless system
Transmitter
[object Object]
Optical Receiver
Transmitter
Cyan LED through the tank Green LED transmission through the water tank
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The model describing the inherent optical properties of ocean water, included: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
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Under water communication ppt