Fiber optic cables are utilized in totally different areas together with: telecommunication, music and drugs. Forms of optic cables There are two major varieties of optic cables: single mode and multi mode fibers. The distinction between the 2 is within the measurement of the core. Multi mode fibers have wider cores thus permit a number of modes of sunshine to propagate. Single mode fibers however have slender cores that permit solely a single mode of sunshine to propagate.