1. Free
Space Optics
Under The Esteemed Guidance of
Mr.G.Venugopal
Associate Professor
Department Of Computer Science and Engineering
Sri Satya Narayana Engineering College, Ongole
By
R.Mouli sai (07X91A0528)
4. The transmission of information using
light is actually not a new idea.
In the late nineteenth century, Alexander
Bell expanded his "phone-phone"
communication which modulated by
sunlight.
5.
6. HOW FSO WORKS………….?
Consists of two Telescopes
Transmits invisible light beams b/w Telescopes
Offer capacities in range of 100Mbps to 2.5Gbps
Can function over distances of several Kms
12. SECURITY………
Laser beams can’t detected with spectrum
analyzers or RF meters
Line of sight cannot be intercepted easily
Beams are harder to find and crack
Data can be transmitted over an encrypted
connection
13. CONCLUSION………….
Provides low cost, rapidly deployable method
of gaining access to fiber optic backbone
FSO complement legacy network investments
FSO eliminates the need to obtain costly
spectrum licences