optical fiber is a thin, cylindrical fiber made of plastic or glass, as tiny as one tenth of a human hair. A standard telecom optical fiber is made up of three layers that are counted from the inside out as fiber core (diameter 8x10um), cladding (diameter 125um) along with buffer coating (diameter 900um).Fiber core and cladding is made of glass or silica. The fiber core and the layers of cladding work...
