Fiber Optics

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Fiber Optics :

Fiber Optics Sai Tanay 163-0129 IX-A

Introduction:

Introduction Fiber-optic lines are strands of optically pure glass about the diameter of a human hair that carry digital information over long distances.

Parts of fiber optic cable:

Parts of fiber optic cable Core - Thin glass center of the fiber where the light travels Cladding - Outer optical material surrounding the core that reflects the light back into the core Buffer coating - Plastic coating that protects the fiber from damage and moisture This works under the principle of total internal reflection

Fiber Optic Cables:

Fiber Optic Cables

How Does an Optical Fiber Transmit Light? :

How Does an Optical Fiber Transmit Light?

Advantages of Fiber Optics:

Advantages of Fiber Optics Less expensive . Thinner Higher carrying capacity Less signal degradation Non-flammable Lightweight

Testing the Optical Fiber:

Testing the Optical Fiber The finished optical fiber is tested for the following: Refractive index profile Fiber geometry Information carrying capacity (bandwidth) Operating temperature/humidity range Ability to conduct light underwater

Optical Fiber Capacity Growth 1983-2002 :

Optical Fiber Capacity Growth 1983-2002 0 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 200 400 600 800 1,000 1,200 1,400 OC-48 OC-192 OC-192, 2 l OC-48, 40 l OC-192, 16 l OC-48, 96 l OC-192, 32 l OC-192, 48 l OC-192, 80 l OC-192, 128 l 1.7 Gb 565Mb 135Mb Single Fiber Capacity (Gigabits/sec ) 1 Terabit = World record ~ 16 terabits per second

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