· Material Composition: Fiber optics are made from glass or plastic strands; copper wires are comprised of a metal alloy, predominantly copper. Whether you're looking at an HDMI cable, a USB cable, Ethernet patch cable, or any other kind of network of data transmission cabling, they are all built using copper or fiber optic internal wiring. Both copper and what is essentially glass, or fibre optics, have their advantages and unique characteristics. This guides optical signals via total internal reflection without conductive elements. Eliminating copper delivers significant performance advantages: Immunity to electromagnetic interference (EMI): Light-based signaling prevents. Two primary materials stand as the mainstays for these pathways: fiber optic cable and copper wire. This mode of transmission is renowned for its high bandwidth and ability to. dy existed in many places and it is cheap in network devices connection. Actually, it is too diffi ult to be.