Visible Light

1. Jinu Benny,
Malavika V Nair

2. Li Fi (Light Fidelity)
 Chaitanya Sontineni
 Satya Prakash Saladi
 Sandeep Nakarakommula

3. Existing System
 Wi Fi
 Drawback of Wi Fi
 What we can do to overcome this drawbacks?
 Solution

4.  Why Visible Light?
//Spectrum Diagram

5. Working Technology of Li Fi

6. Transmitting Elements
LED Fluorescent Lamp

7. Receiving Elements
Photo Diode Image Sensor

8. How Li Fi Works

9. Real Time Usage of Li Fi

10. Wi-Fi 150 Mbps
Bluetooth 3 Gbps
IrDA 4 Gbps
Comparison between Various Technologies
Wired
Wireless(Current)
Wireless(Future)
Fire wire 800 Mbps
USB 3.0 5 Gbps
Thunderbolt 20 Gbps
Li-Fi 10 Gbps
Giga-IR 1 Gbps
Wi-Gig 2Gbps

11. Applications of Li Fi
 Airways:

12. Applications of Li Fi
Application:2
//Image

13. Applications of Li Fi
Application:3
//Image

14. Advantages of Li Fi
 Green information technology
 Lighting points Used as Hotspots
 Can be used in hospitals and even underwater

15. Drawbacks of Li Fi
 Li-Fi doesn’t work in the dark or outdoors.
 Li-Fi has a big drawback compared to Wi-Fi,
unlike wi-Fi we cannot move to other rooms
unless there are wired bulbs too.

16. Thank You