The universe of broadcast communications is quickly moving from copper wire organizations to fiber optics. Optical fiber is an exceptionally slight strand of unadulterated glass which goes about as a waveguide for light over significant distances. It utilizes a standard known as all out inward reflection. Fiber optic link is really made out of two layers of glass: The center, which conveys the genuine light sign, and the cladding, which is a layer of glass encompassing the center.