Are there any copper wires in the fiber?
No, the fiber inside is used to transmit light signals of glass fiber, copper wire is the use of electrical signals, optical fiber can not be used, also can not be used
An optical fiber is a shortened form of an optical fiber, a fiber made of glass or plastic, used as a light transmitting tool.
That is, through electricity, electricity to transmit the signal, the optical fiber does not need to use electricity to pass the model, and can not use electricity to transmit the signal, the fiber is light signal